18259620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9817}}^1$

素因数の和:9860

約数の個数: 48

約数和(自身を含む): 52781568

約数和(自身を除く): 34521948

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, 9817, 19634, 29451, 39268, 49085, 58902, 98170, 117804, 147255, 196340, 294510, 304327, 589020, 608654, 912981, 1217308, 1521635, 1825962, 3043270, 3651924, 4564905, 6086540, 9129810, 18259620]

約数ペア:

[(1, 18259620), (2, 9129810), (3, 6086540), (4, 4564905), (5, 3651924), (6, 3043270), (10, 1825962), (12, 1521635), (15, 1217308), (20, 912981), (30, 608654), (31, 589020), (60, 304327), (62, 294510), (93, 196340), (124, 147255), (155, 117804), (186, 98170), (310, 58902), (372, 49085), (465, 39268), (620, 29451), (930, 19634), (1860, 9817)]