19868670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{859}}^1$

素因数の和:1129

約数の個数: 48

約数和(自身を含む): 51919920

約数和(自身を除く): 32051250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 257, 514, 771, 859, 1285, 1542, 1718, 2313, 2570, 2577, 3855, 4295, 4626, 5154, 7710, 7731, 8590, 11565, 12885, 15462, 23130, 25770, 38655, 77310, 220763, 441526, 662289, 1103815, 1324578, 1986867, 2207630, 3311445, 3973734, 6622890, 9934335, 19868670]

約数ペア:

[(1, 19868670), (2, 9934335), (3, 6622890), (5, 3973734), (6, 3311445), (9, 2207630), (10, 1986867), (15, 1324578), (18, 1103815), (30, 662289), (45, 441526), (90, 220763), (257, 77310), (514, 38655), (771, 25770), (859, 23130), (1285, 15462), (1542, 12885), (1718, 11565), (2313, 8590), (2570, 7731), (2577, 7710), (3855, 5154), (4295, 4626)]