18779530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^3$

素因数の和:112

約数の個数: 64

約数和(自身を含む): 43649280

約数和(自身を除く): 24869750

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 29, 35, 55, 58, 70, 77, 110, 145, 154, 203, 290, 319, 385, 406, 638, 770, 841, 1015, 1595, 1682, 2030, 2233, 3190, 4205, 4466, 5887, 8410, 9251, 11165, 11774, 18502, 22330, 24389, 29435, 46255, 48778, 58870, 64757, 92510, 121945, 129514, 170723, 243890, 268279, 323785, 341446, 536558, 647570, 853615, 1341395, 1707230, 1877953, 2682790, 3755906, 9389765, 18779530]

約数ペア:

[(1, 18779530), (2, 9389765), (5, 3755906), (7, 2682790), (10, 1877953), (11, 1707230), (14, 1341395), (22, 853615), (29, 647570), (35, 536558), (55, 341446), (58, 323785), (70, 268279), (77, 243890), (110, 170723), (145, 129514), (154, 121945), (203, 92510), (290, 64757), (319, 58870), (385, 48778), (406, 46255), (638, 29435), (770, 24389), (841, 22330), (1015, 18502), (1595, 11774), (1682, 11165), (2030, 9251), (2233, 8410), (3190, 5887), (4205, 4466)]