18745662

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 43593984

約数和(自身を除く): 24848322

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 67, 78, 102, 134, 201, 211, 221, 402, 422, 442, 633, 663, 871, 1139, 1266, 1326, 1742, 2278, 2613, 2743, 3417, 3587, 5226, 5486, 6834, 7174, 8229, 10761, 14137, 14807, 16458, 21522, 28274, 29614, 42411, 44421, 46631, 84822, 88842, 93262, 139893, 183781, 240329, 279786, 367562, 480658, 551343, 720987, 1102686, 1441974, 3124277, 6248554, 9372831, 18745662]

約数ペア:

[(1, 18745662), (2, 9372831), (3, 6248554), (6, 3124277), (13, 1441974), (17, 1102686), (26, 720987), (34, 551343), (39, 480658), (51, 367562), (67, 279786), (78, 240329), (102, 183781), (134, 139893), (201, 93262), (211, 88842), (221, 84822), (402, 46631), (422, 44421), (442, 42411), (633, 29614), (663, 28274), (871, 21522), (1139, 16458), (1266, 14807), (1326, 14137), (1742, 10761), (2278, 8229), (2613, 7174), (2743, 6834), (3417, 5486), (3587, 5226)]