19569340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1237}}^1$

素因数の和:1366

約数の個数: 48

約数和(自身を含む): 47420352

約数和(自身を除く): 27851012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1237, 1582, 2260, 2474, 3164, 3955, 4948, 6185, 7910, 8659, 12370, 15820, 17318, 24740, 34636, 43295, 86590, 139781, 173180, 279562, 559124, 698905, 978467, 1397810, 1956934, 2795620, 3913868, 4892335, 9784670, 19569340]

約数ペア:

[(1, 19569340), (2, 9784670), (4, 4892335), (5, 3913868), (7, 2795620), (10, 1956934), (14, 1397810), (20, 978467), (28, 698905), (35, 559124), (70, 279562), (113, 173180), (140, 139781), (226, 86590), (452, 43295), (565, 34636), (791, 24740), (1130, 17318), (1237, 15820), (1582, 12370), (2260, 8659), (2474, 7910), (3164, 6185), (3955, 4948)]