18858540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10139}}^1$

素因数の和:10182

約数の個数: 48

約数和(自身を含む): 54512640

約数和(自身を除く): 35654100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10139, 20278, 30417, 40556, 50695, 60834, 101390, 121668, 152085, 202780, 304170, 314309, 608340, 628618, 942927, 1257236, 1571545, 1885854, 3143090, 3771708, 4714635, 6286180, 9429270, 18858540]

約数ペア:

[(1, 18858540), (2, 9429270), (3, 6286180), (4, 4714635), (5, 3771708), (6, 3143090), (10, 1885854), (12, 1571545), (15, 1257236), (20, 942927), (30, 628618), (31, 608340), (60, 314309), (62, 304170), (93, 202780), (124, 152085), (155, 121668), (186, 101390), (310, 60834), (372, 50695), (465, 40556), (620, 30417), (930, 20278), (1860, 10139)]