219920634

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{394123}}^1$

素因数の和:394162

約数の個数: 24

約数和(自身を含む): 491866752

約数和(自身を除く): 271946118

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 394123, 788246, 1182369, 2364738, 3547107, 7094214, 12217813, 24435626, 36653439, 73306878, 109960317, 219920634]

約数ペア:

[(1, 219920634), (2, 109960317), (3, 73306878), (6, 36653439), (9, 24435626), (18, 12217813), (31, 7094214), (62, 3547107), (93, 2364738), (186, 1182369), (279, 788246), (558, 394123)]