19002320

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1373}}^1$

素因数の和:1559

約数の個数: 40

約数和(自身を含む): 44468136

約数和(自身を除く): 25465816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1373, 1384, 1730, 2746, 2768, 3460, 5492, 6865, 6920, 10984, 13730, 13840, 21968, 27460, 54920, 109840, 237529, 475058, 950116, 1187645, 1900232, 2375290, 3800464, 4750580, 9501160, 19002320]

約数ペア:

[(1, 19002320), (2, 9501160), (4, 4750580), (5, 3800464), (8, 2375290), (10, 1900232), (16, 1187645), (20, 950116), (40, 475058), (80, 237529), (173, 109840), (346, 54920), (692, 27460), (865, 21968), (1373, 13840), (1384, 13730), (1730, 10984), (2746, 6920), (2768, 6865), (3460, 5492)]