17971770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 44789760

約数和(自身を除く): 26817990

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 89, 106, 127, 159, 178, 254, 265, 267, 318, 381, 445, 530, 534, 635, 762, 795, 890, 1270, 1335, 1590, 1905, 2670, 3810, 4717, 6731, 9434, 11303, 13462, 14151, 20193, 22606, 23585, 28302, 33655, 33909, 40386, 47170, 56515, 67310, 67818, 70755, 100965, 113030, 141510, 169545, 201930, 339090, 599059, 1198118, 1797177, 2995295, 3594354, 5990590, 8985885, 17971770]

約数ペア:

[(1, 17971770), (2, 8985885), (3, 5990590), (5, 3594354), (6, 2995295), (10, 1797177), (15, 1198118), (30, 599059), (53, 339090), (89, 201930), (106, 169545), (127, 141510), (159, 113030), (178, 100965), (254, 70755), (265, 67818), (267, 67310), (318, 56515), (381, 47170), (445, 40386), (530, 33909), (534, 33655), (635, 28302), (762, 23585), (795, 22606), (890, 20193), (1270, 14151), (1335, 13462), (1590, 11303), (1905, 9434), (2670, 6731), (3810, 4717)]