19789425

素因数分解:

$3^2\times 5^2\times {\mathrm{281}}^1\times {\mathrm{313}}^1$

素因数の和:610

約数の個数: 36

約数和(自身を含む): 35684844

約数和(自身を除く): 15895419

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 281, 313, 843, 939, 1405, 1565, 2529, 2817, 4215, 4695, 7025, 7825, 12645, 14085, 21075, 23475, 63225, 70425, 87953, 263859, 439765, 791577, 1319295, 2198825, 3957885, 6596475, 19789425]

約数ペア:

[(1, 19789425), (3, 6596475), (5, 3957885), (9, 2198825), (15, 1319295), (25, 791577), (45, 439765), (75, 263859), (225, 87953), (281, 70425), (313, 63225), (843, 23475), (939, 21075), (1405, 14085), (1565, 12645), (2529, 7825), (2817, 7025), (4215, 4695)]