19199880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:444

約数の個数: 192

約数和(自身を含む): 75254400

約数和(自身を除く): 56054520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 252, 266, 280, 285, 315, 342, 360, 380, 399, 401, 420, 456, 504, 532, 570, 630, 665, 684, 760, 798, 802, 840, 855, 1064, 1140, 1197, 1203, 1260, 1330, 1368, 1596, 1604, 1710, 1995, 2005, 2280, 2394, 2406, 2520, 2660, 2807, 3192, 3208, 3420, 3609, 3990, 4010, 4788, 4812, 5320, 5614, 5985, 6015, 6840, 7218, 7619, 7980, 8020, 8421, 9576, 9624, 11228, 11970, 12030, 14035, 14436, 15238, 15960, 16040, 16842, 18045, 22456, 22857, 23940, 24060, 25263, 28070, 28872, 30476, 33684, 36090, 38095, 42105, 45714, 47880, 48120, 50526, 53333, 56140, 60952, 67368, 68571, 72180, 76190, 84210, 91428, 101052, 106666, 112280, 114285, 126315, 137142, 144360, 152380, 159999, 168420, 182856, 202104, 213332, 228570, 252630, 266665, 274284, 304760, 319998, 336840, 342855, 426664, 457140, 479997, 505260, 533330, 548568, 639996, 685710, 799995, 914280, 959994, 1010520, 1066660, 1279992, 1371420, 1599990, 1919988, 2133320, 2399985, 2742840, 3199980, 3839976, 4799970, 6399960, 9599940, 19199880]

約数ペア:

[(1, 19199880), (2, 9599940), (3, 6399960), (4, 4799970), (5, 3839976), (6, 3199980), (7, 2742840), (8, 2399985), (9, 2133320), (10, 1919988), (12, 1599990), (14, 1371420), (15, 1279992), (18, 1066660), (19, 1010520), (20, 959994), (21, 914280), (24, 799995), (28, 685710), (30, 639996), (35, 548568), (36, 533330), (38, 505260), (40, 479997), (42, 457140), (45, 426664), (56, 342855), (57, 336840), (60, 319998), (63, 304760), (70, 274284), (72, 266665), (76, 252630), (84, 228570), (90, 213332), (95, 202104), (105, 182856), (114, 168420), (120, 159999), (126, 152380), (133, 144360), (140, 137142), (152, 126315), (168, 114285), (171, 112280), (180, 106666), (190, 101052), (210, 91428), (228, 84210), (252, 76190), (266, 72180), (280, 68571), (285, 67368), (315, 60952), (342, 56140), (360, 53333), (380, 50526), (399, 48120), (401, 47880), (420, 45714), (456, 42105), (504, 38095), (532, 36090), (570, 33684), (630, 30476), (665, 28872), (684, 28070), (760, 25263), (798, 24060), (802, 23940), (840, 22857), (855, 22456), (1064, 18045), (1140, 16842), (1197, 16040), (1203, 15960), (1260, 15238), (1330, 14436), (1368, 14035), (1596, 12030), (1604, 11970), (1710, 11228), (1995, 9624), (2005, 9576), (2280, 8421), (2394, 8020), (2406, 7980), (2520, 7619), (2660, 7218), (2807, 6840), (3192, 6015), (3208, 5985), (3420, 5614), (3609, 5320), (3990, 4812), (4010, 4788)]