19301100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:145

約数の個数: 216

約数和(自身を含む): 70651728

約数和(自身を除く): 51350628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 49, 50, 52, 60, 65, 70, 75, 78, 84, 91, 98, 100, 101, 105, 130, 140, 147, 150, 156, 175, 182, 195, 196, 202, 210, 245, 260, 273, 294, 300, 303, 325, 350, 364, 390, 404, 420, 455, 490, 505, 525, 546, 588, 606, 637, 650, 700, 707, 735, 780, 910, 975, 980, 1010, 1050, 1092, 1212, 1225, 1274, 1300, 1313, 1365, 1414, 1470, 1515, 1820, 1911, 1950, 2020, 2100, 2121, 2275, 2450, 2525, 2548, 2626, 2730, 2828, 2940, 3030, 3185, 3535, 3675, 3822, 3900, 3939, 4242, 4550, 4900, 4949, 5050, 5252, 5460, 6060, 6370, 6565, 6825, 7070, 7350, 7575, 7644, 7878, 8484, 9100, 9191, 9555, 9898, 10100, 10605, 12740, 13130, 13650, 14140, 14700, 14847, 15150, 15756, 15925, 17675, 18382, 19110, 19695, 19796, 21210, 24745, 26260, 27300, 27573, 29694, 30300, 31850, 32825, 35350, 36764, 38220, 39390, 42420, 45955, 47775, 49490, 53025, 55146, 59388, 63700, 64337, 65650, 70700, 74235, 78780, 91910, 95550, 98475, 98980, 106050, 110292, 123725, 128674, 131300, 137865, 148470, 183820, 191100, 193011, 196950, 212100, 229775, 247450, 257348, 275730, 296940, 321685, 371175, 386022, 393900, 459550, 494900, 551460, 643370, 689325, 742350, 772044, 919100, 965055, 1286740, 1378650, 1484700, 1608425, 1930110, 2757300, 3216850, 3860220, 4825275, 6433700, 9650550, 19301100]

約数ペア:

[(1, 19301100), (2, 9650550), (3, 6433700), (4, 4825275), (5, 3860220), (6, 3216850), (7, 2757300), (10, 1930110), (12, 1608425), (13, 1484700), (14, 1378650), (15, 1286740), (20, 965055), (21, 919100), (25, 772044), (26, 742350), (28, 689325), (30, 643370), (35, 551460), (39, 494900), (42, 459550), (49, 393900), (50, 386022), (52, 371175), (60, 321685), (65, 296940), (70, 275730), (75, 257348), (78, 247450), (84, 229775), (91, 212100), (98, 196950), (100, 193011), (101, 191100), (105, 183820), (130, 148470), (140, 137865), (147, 131300), (150, 128674), (156, 123725), (175, 110292), (182, 106050), (195, 98980), (196, 98475), (202, 95550), (210, 91910), (245, 78780), (260, 74235), (273, 70700), (294, 65650), (300, 64337), (303, 63700), (325, 59388), (350, 55146), (364, 53025), (390, 49490), (404, 47775), (420, 45955), (455, 42420), (490, 39390), (505, 38220), (525, 36764), (546, 35350), (588, 32825), (606, 31850), (637, 30300), (650, 29694), (700, 27573), (707, 27300), (735, 26260), (780, 24745), (910, 21210), (975, 19796), (980, 19695), (1010, 19110), (1050, 18382), (1092, 17675), (1212, 15925), (1225, 15756), (1274, 15150), (1300, 14847), (1313, 14700), (1365, 14140), (1414, 13650), (1470, 13130), (1515, 12740), (1820, 10605), (1911, 10100), (1950, 9898), (2020, 9555), (2100, 9191), (2121, 9100), (2275, 8484), (2450, 7878), (2525, 7644), (2548, 7575), (2626, 7350), (2730, 7070), (2828, 6825), (2940, 6565), (3030, 6370), (3185, 6060), (3535, 5460), (3675, 5252), (3822, 5050), (3900, 4949), (3939, 4900), (4242, 4550)]