19573980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2347}}^1$

素因数の和:2498

約数の個数: 48

約数和(自身を含む): 55224960

約数和(自身を除く): 35650980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2347, 2780, 4170, 4694, 7041, 8340, 9388, 11735, 14082, 23470, 28164, 35205, 46940, 70410, 140820, 326233, 652466, 978699, 1304932, 1631165, 1957398, 3262330, 3914796, 4893495, 6524660, 9786990, 19573980]

約数ペア:

[(1, 19573980), (2, 9786990), (3, 6524660), (4, 4893495), (5, 3914796), (6, 3262330), (10, 1957398), (12, 1631165), (15, 1304932), (20, 978699), (30, 652466), (60, 326233), (139, 140820), (278, 70410), (417, 46940), (556, 35205), (695, 28164), (834, 23470), (1390, 14082), (1668, 11735), (2085, 9388), (2347, 8340), (2780, 7041), (4170, 4694)]