19663410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:547

約数の個数: 64

約数和(自身を含む): 51351552

約数和(自身を除く): 31688142

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 127, 130, 195, 254, 381, 390, 397, 635, 762, 794, 1191, 1270, 1651, 1905, 1985, 2382, 3302, 3810, 3970, 4953, 5161, 5955, 8255, 9906, 10322, 11910, 15483, 16510, 24765, 25805, 30966, 49530, 50419, 51610, 77415, 100838, 151257, 154830, 252095, 302514, 504190, 655447, 756285, 1310894, 1512570, 1966341, 3277235, 3932682, 6554470, 9831705, 19663410]

約数ペア:

[(1, 19663410), (2, 9831705), (3, 6554470), (5, 3932682), (6, 3277235), (10, 1966341), (13, 1512570), (15, 1310894), (26, 756285), (30, 655447), (39, 504190), (65, 302514), (78, 252095), (127, 154830), (130, 151257), (195, 100838), (254, 77415), (381, 51610), (390, 50419), (397, 49530), (635, 30966), (762, 25805), (794, 24765), (1191, 16510), (1270, 15483), (1651, 11910), (1905, 10322), (1985, 9906), (2382, 8255), (3302, 5955), (3810, 5161), (3970, 4953)]