19973238

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1471}}^1$

素因数の和:1580

約数の個数: 32

約数和(自身を含む): 41828352

約数和(自身を除く): 21855114

約数列:

[1, 2, 3, 6, 31, 62, 73, 93, 146, 186, 219, 438, 1471, 2263, 2942, 4413, 4526, 6789, 8826, 13578, 45601, 91202, 107383, 136803, 214766, 273606, 322149, 644298, 3328873, 6657746, 9986619, 19973238]

約数ペア:

[(1, 19973238), (2, 9986619), (3, 6657746), (6, 3328873), (31, 644298), (62, 322149), (73, 273606), (93, 214766), (146, 136803), (186, 107383), (219, 91202), (438, 45601), (1471, 13578), (2263, 8826), (2942, 6789), (4413, 4526)]