19666284

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{389}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 50319360

約数和(自身を除く): 30653076

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 383, 389, 766, 778, 1149, 1167, 1532, 1556, 2298, 2334, 4213, 4279, 4596, 4668, 8426, 8558, 12639, 12837, 16852, 17116, 25278, 25674, 50556, 51348, 148987, 297974, 446961, 595948, 893922, 1638857, 1787844, 3277714, 4916571, 6555428, 9833142, 19666284]

約数ペア:

[(1, 19666284), (2, 9833142), (3, 6555428), (4, 4916571), (6, 3277714), (11, 1787844), (12, 1638857), (22, 893922), (33, 595948), (44, 446961), (66, 297974), (132, 148987), (383, 51348), (389, 50556), (766, 25674), (778, 25278), (1149, 17116), (1167, 16852), (1532, 12837), (1556, 12639), (2298, 8558), (2334, 8426), (4213, 4668), (4279, 4596)]