18352840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{787}}^1$

素因数の和:862

約数の個数: 64

約数和(自身を含む): 45956160

約数和(自身を除く): 27603320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 212, 220, 265, 424, 440, 530, 583, 787, 1060, 1166, 1574, 2120, 2332, 2915, 3148, 3935, 4664, 5830, 6296, 7870, 8657, 11660, 15740, 17314, 23320, 31480, 34628, 41711, 43285, 69256, 83422, 86570, 166844, 173140, 208555, 333688, 346280, 417110, 458821, 834220, 917642, 1668440, 1835284, 2294105, 3670568, 4588210, 9176420, 18352840]

約数ペア:

[(1, 18352840), (2, 9176420), (4, 4588210), (5, 3670568), (8, 2294105), (10, 1835284), (11, 1668440), (20, 917642), (22, 834220), (40, 458821), (44, 417110), (53, 346280), (55, 333688), (88, 208555), (106, 173140), (110, 166844), (212, 86570), (220, 83422), (265, 69256), (424, 43285), (440, 41711), (530, 34628), (583, 31480), (787, 23320), (1060, 17314), (1166, 15740), (1574, 11660), (2120, 8657), (2332, 7870), (2915, 6296), (3148, 5830), (3935, 4664)]