19386522

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 43603560

約数和(自身を除く): 24217038

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 109, 123, 218, 241, 246, 327, 369, 482, 654, 723, 738, 981, 1446, 1962, 2169, 4338, 4469, 8938, 9881, 13407, 19762, 26269, 26814, 29643, 40221, 52538, 59286, 78807, 80442, 88929, 157614, 177858, 236421, 472842, 1077029, 2154058, 3231087, 6462174, 9693261, 19386522]

約数ペア:

[(1, 19386522), (2, 9693261), (3, 6462174), (6, 3231087), (9, 2154058), (18, 1077029), (41, 472842), (82, 236421), (109, 177858), (123, 157614), (218, 88929), (241, 80442), (246, 78807), (327, 59286), (369, 52538), (482, 40221), (654, 29643), (723, 26814), (738, 26269), (981, 19762), (1446, 13407), (1962, 9881), (2169, 8938), (4338, 4469)]