19290375

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1319}}^1$

素因数の和:1353

約数の個数: 48

約数和(自身を含む): 37477440

約数和(自身を除く): 18187065

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 195, 225, 325, 375, 585, 975, 1125, 1319, 1625, 2925, 3957, 4875, 6595, 11871, 14625, 17147, 19785, 32975, 51441, 59355, 85735, 98925, 154323, 164875, 257205, 296775, 428675, 494625, 771615, 1286025, 1483875, 2143375, 3858075, 6430125, 19290375]

約数ペア:

[(1, 19290375), (3, 6430125), (5, 3858075), (9, 2143375), (13, 1483875), (15, 1286025), (25, 771615), (39, 494625), (45, 428675), (65, 296775), (75, 257205), (117, 164875), (125, 154323), (195, 98925), (225, 85735), (325, 59355), (375, 51441), (585, 32975), (975, 19785), (1125, 17147), (1319, 14625), (1625, 11871), (2925, 6595), (3957, 4875)]