19447998

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 39726720

約数和(自身を除く): 20278722

約数列:

[1, 2, 3, 6, 109, 131, 218, 227, 262, 327, 393, 454, 654, 681, 786, 1362, 14279, 24743, 28558, 29737, 42837, 49486, 59474, 74229, 85674, 89211, 148458, 178422, 3241333, 6482666, 9723999, 19447998]

約数ペア:

[(1, 19447998), (2, 9723999), (3, 6482666), (6, 3241333), (109, 178422), (131, 148458), (218, 89211), (227, 85674), (262, 74229), (327, 59474), (393, 49486), (454, 42837), (654, 29737), (681, 28558), (786, 24743), (1362, 14279)]