19891212

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4861}}^1$

素因数の和:4910

約数の個数: 48

約数和(自身を含む): 52276224

約数和(自身を除く): 32385012

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 93, 124, 132, 186, 341, 372, 682, 1023, 1364, 2046, 4092, 4861, 9722, 14583, 19444, 29166, 53471, 58332, 106942, 150691, 160413, 213884, 301382, 320826, 452073, 602764, 641652, 904146, 1657601, 1808292, 3315202, 4972803, 6630404, 9945606, 19891212]

約数ペア:

[(1, 19891212), (2, 9945606), (3, 6630404), (4, 4972803), (6, 3315202), (11, 1808292), (12, 1657601), (22, 904146), (31, 641652), (33, 602764), (44, 452073), (62, 320826), (66, 301382), (93, 213884), (124, 160413), (132, 150691), (186, 106942), (341, 58332), (372, 53471), (682, 29166), (1023, 19444), (1364, 14583), (2046, 9722), (4092, 4861)]