18027790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:393

約数の個数: 48

約数和(自身を含む): 36542016

約数和(自身を除く): 18514226

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 121, 235, 242, 317, 470, 517, 605, 634, 1034, 1210, 1585, 2585, 3170, 3487, 5170, 5687, 6974, 11374, 14899, 17435, 28435, 29798, 34870, 38357, 56870, 74495, 76714, 148990, 163889, 191785, 327778, 383570, 819445, 1638890, 1802779, 3605558, 9013895, 18027790]

約数ペア:

[(1, 18027790), (2, 9013895), (5, 3605558), (10, 1802779), (11, 1638890), (22, 819445), (47, 383570), (55, 327778), (94, 191785), (110, 163889), (121, 148990), (235, 76714), (242, 74495), (317, 56870), (470, 38357), (517, 34870), (605, 29798), (634, 28435), (1034, 17435), (1210, 14899), (1585, 11374), (2585, 6974), (3170, 5687), (3487, 5170)]