19492590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 50867712

約数和(自身を除く): 31375122

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 151, 195, 302, 331, 390, 453, 662, 755, 906, 993, 1510, 1655, 1963, 1986, 2265, 3310, 3926, 4303, 4530, 4965, 5889, 8606, 9815, 9930, 11778, 12909, 19630, 21515, 25818, 29445, 43030, 49981, 58890, 64545, 99962, 129090, 149943, 249905, 299886, 499810, 649753, 749715, 1299506, 1499430, 1949259, 3248765, 3898518, 6497530, 9746295, 19492590]

約数ペア:

[(1, 19492590), (2, 9746295), (3, 6497530), (5, 3898518), (6, 3248765), (10, 1949259), (13, 1499430), (15, 1299506), (26, 749715), (30, 649753), (39, 499810), (65, 299886), (78, 249905), (130, 149943), (151, 129090), (195, 99962), (302, 64545), (331, 58890), (390, 49981), (453, 43030), (662, 29445), (755, 25818), (906, 21515), (993, 19630), (1510, 12909), (1655, 11778), (1963, 9930), (1986, 9815), (2265, 8606), (3310, 5889), (3926, 4965), (4303, 4530)]