19173700

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:91

約数の個数: 144

約数和(自身を含む): 53468800

約数和(自身を除く): 34295100

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 43, 49, 50, 52, 65, 70, 86, 91, 98, 100, 130, 140, 172, 175, 182, 196, 215, 245, 260, 301, 325, 343, 350, 364, 430, 455, 490, 559, 602, 637, 650, 686, 700, 860, 910, 980, 1075, 1118, 1204, 1225, 1274, 1300, 1372, 1505, 1715, 1820, 2107, 2150, 2236, 2275, 2450, 2548, 2795, 3010, 3185, 3430, 3913, 4214, 4300, 4459, 4550, 4900, 5590, 6020, 6370, 6860, 7525, 7826, 8428, 8575, 8918, 9100, 10535, 11180, 12740, 13975, 14749, 15050, 15652, 15925, 17150, 17836, 19565, 21070, 22295, 27391, 27950, 29498, 30100, 31850, 34300, 39130, 42140, 44590, 52675, 54782, 55900, 58996, 63700, 73745, 78260, 89180, 97825, 105350, 109564, 111475, 136955, 147490, 191737, 195650, 210700, 222950, 273910, 294980, 368725, 383474, 391300, 445900, 547820, 684775, 737450, 766948, 958685, 1369550, 1474900, 1917370, 2739100, 3834740, 4793425, 9586850, 19173700]

約数ペア:

[(1, 19173700), (2, 9586850), (4, 4793425), (5, 3834740), (7, 2739100), (10, 1917370), (13, 1474900), (14, 1369550), (20, 958685), (25, 766948), (26, 737450), (28, 684775), (35, 547820), (43, 445900), (49, 391300), (50, 383474), (52, 368725), (65, 294980), (70, 273910), (86, 222950), (91, 210700), (98, 195650), (100, 191737), (130, 147490), (140, 136955), (172, 111475), (175, 109564), (182, 105350), (196, 97825), (215, 89180), (245, 78260), (260, 73745), (301, 63700), (325, 58996), (343, 55900), (350, 54782), (364, 52675), (430, 44590), (455, 42140), (490, 39130), (559, 34300), (602, 31850), (637, 30100), (650, 29498), (686, 27950), (700, 27391), (860, 22295), (910, 21070), (980, 19565), (1075, 17836), (1118, 17150), (1204, 15925), (1225, 15652), (1274, 15050), (1300, 14749), (1372, 13975), (1505, 12740), (1715, 11180), (1820, 10535), (2107, 9100), (2150, 8918), (2236, 8575), (2275, 8428), (2450, 7826), (2548, 7525), (2795, 6860), (3010, 6370), (3185, 6020), (3430, 5590), (3913, 4900), (4214, 4550), (4300, 4459)]