19798748

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1951}}^1$

素因数の和:2057

約数の個数: 24

約数和(自身を含む): 36072960

約数和(自身を除く): 16274212

約数列:

[1, 2, 4, 43, 59, 86, 118, 172, 236, 1951, 2537, 3902, 5074, 7804, 10148, 83893, 115109, 167786, 230218, 335572, 460436, 4949687, 9899374, 19798748]

約数ペア:

[(1, 19798748), (2, 9899374), (4, 4949687), (43, 460436), (59, 335572), (86, 230218), (118, 167786), (172, 115109), (236, 83893), (1951, 10148), (2537, 7804), (3902, 5074)]