19233890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:651

約数の個数: 48

約数和(自身を含む): 39528000

約数和(自身を除く): 20294110

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 169, 190, 247, 338, 494, 599, 845, 1198, 1235, 1690, 2470, 2995, 3211, 5990, 6422, 7787, 11381, 15574, 16055, 22762, 32110, 38935, 56905, 77870, 101231, 113810, 147953, 202462, 295906, 506155, 739765, 1012310, 1479530, 1923389, 3846778, 9616945, 19233890]

約数ペア:

[(1, 19233890), (2, 9616945), (5, 3846778), (10, 1923389), (13, 1479530), (19, 1012310), (26, 739765), (38, 506155), (65, 295906), (95, 202462), (130, 147953), (169, 113810), (190, 101231), (247, 77870), (338, 56905), (494, 38935), (599, 32110), (845, 22762), (1198, 16055), (1235, 15574), (1690, 11381), (2470, 7787), (2995, 6422), (3211, 5990)]