18823970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 38150784

約数和(自身を除く): 19326814

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 121, 235, 242, 331, 470, 517, 605, 662, 1034, 1210, 1655, 2585, 3310, 3641, 5170, 5687, 7282, 11374, 15557, 18205, 28435, 31114, 36410, 40051, 56870, 77785, 80102, 155570, 171127, 200255, 342254, 400510, 855635, 1711270, 1882397, 3764794, 9411985, 18823970]

約数ペア:

[(1, 18823970), (2, 9411985), (5, 3764794), (10, 1882397), (11, 1711270), (22, 855635), (47, 400510), (55, 342254), (94, 200255), (110, 171127), (121, 155570), (235, 80102), (242, 77785), (331, 56870), (470, 40051), (517, 36410), (605, 31114), (662, 28435), (1034, 18205), (1210, 15557), (1655, 11374), (2585, 7282), (3310, 5687), (3641, 5170)]