18636390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3907}}^1$

素因数の和:3973

約数の個数: 48

約数和(自身を含む): 49381488

約数和(自身を除く): 30745098

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 159, 265, 318, 477, 530, 795, 954, 1590, 2385, 3907, 4770, 7814, 11721, 19535, 23442, 35163, 39070, 58605, 70326, 117210, 175815, 207071, 351630, 414142, 621213, 1035355, 1242426, 1863639, 2070710, 3106065, 3727278, 6212130, 9318195, 18636390]

約数ペア:

[(1, 18636390), (2, 9318195), (3, 6212130), (5, 3727278), (6, 3106065), (9, 2070710), (10, 1863639), (15, 1242426), (18, 1035355), (30, 621213), (45, 414142), (53, 351630), (90, 207071), (106, 175815), (159, 117210), (265, 70326), (318, 58605), (477, 39070), (530, 35163), (795, 23442), (954, 19535), (1590, 11721), (2385, 7814), (3907, 4770)]