18712710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3923}}^1$

素因数の和:3989

約数の個数: 48

約数和(自身を含む): 49583664

約数和(自身を除く): 30870954

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, 3923, 4770, 7846, 11769, 19615, 23538, 35307, 39230, 58845, 70614, 117690, 176535, 207919, 353070, 415838, 623757, 1039595, 1247514, 1871271, 2079190, 3118785, 3742542, 6237570, 9356355, 18712710]

約数ペア:

[(1, 18712710), (2, 9356355), (3, 6237570), (5, 3742542), (6, 3118785), (9, 2079190), (10, 1871271), (15, 1247514), (18, 1039595), (30, 623757), (45, 415838), (53, 353070), (90, 207919), (106, 176535), (159, 117690), (265, 70614), (318, 58845), (477, 39230), (530, 35307), (795, 23538), (954, 19615), (1590, 11769), (2385, 7846), (3923, 4770)]