19133480

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2267}}^1$

素因数の和:2489

約数の個数: 32

約数和(自身を含む): 43273440

約数和(自身を除く): 24139960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 2267, 4220, 4534, 8440, 9068, 11335, 18136, 22670, 45340, 90680, 478337, 956674, 1913348, 2391685, 3826696, 4783370, 9566740, 19133480]

約数ペア:

[(1, 19133480), (2, 9566740), (4, 4783370), (5, 3826696), (8, 2391685), (10, 1913348), (20, 956674), (40, 478337), (211, 90680), (422, 45340), (844, 22670), (1055, 18136), (1688, 11335), (2110, 9068), (2267, 8440), (4220, 4534)]