18537810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 46189440

約数和(自身を除く): 27651630

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 89, 106, 131, 159, 178, 262, 265, 267, 318, 393, 445, 530, 534, 655, 786, 795, 890, 1310, 1335, 1590, 1965, 2670, 3930, 4717, 6943, 9434, 11659, 13886, 14151, 20829, 23318, 23585, 28302, 34715, 34977, 41658, 47170, 58295, 69430, 69954, 70755, 104145, 116590, 141510, 174885, 208290, 349770, 617927, 1235854, 1853781, 3089635, 3707562, 6179270, 9268905, 18537810]

約数ペア:

[(1, 18537810), (2, 9268905), (3, 6179270), (5, 3707562), (6, 3089635), (10, 1853781), (15, 1235854), (30, 617927), (53, 349770), (89, 208290), (106, 174885), (131, 141510), (159, 116590), (178, 104145), (262, 70755), (265, 69954), (267, 69430), (318, 58295), (393, 47170), (445, 41658), (530, 34977), (534, 34715), (655, 28302), (786, 23585), (795, 23318), (890, 20829), (1310, 14151), (1335, 13886), (1590, 11659), (1965, 9434), (2670, 6943), (3930, 4717)]