18711186

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 43400448

約数和(自身を除く): 24689262

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 103, 137, 206, 221, 274, 309, 411, 442, 618, 663, 822, 1326, 1339, 1751, 1781, 2329, 2678, 3502, 3562, 4017, 4658, 5253, 5343, 6987, 8034, 10506, 10686, 13974, 14111, 22763, 28222, 30277, 42333, 45526, 60554, 68289, 84666, 90831, 136578, 181662, 183443, 239887, 366886, 479774, 550329, 719661, 1100658, 1439322, 3118531, 6237062, 9355593, 18711186]

約数ペア:

[(1, 18711186), (2, 9355593), (3, 6237062), (6, 3118531), (13, 1439322), (17, 1100658), (26, 719661), (34, 550329), (39, 479774), (51, 366886), (78, 239887), (102, 183443), (103, 181662), (137, 136578), (206, 90831), (221, 84666), (274, 68289), (309, 60554), (411, 45526), (442, 42333), (618, 30277), (663, 28222), (822, 22763), (1326, 14111), (1339, 13974), (1751, 10686), (1781, 10506), (2329, 8034), (2678, 6987), (3502, 5343), (3562, 5253), (4017, 4658)]