18142890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{619}}^1\times {\mathrm{977}}^1$

素因数の和:1606

約数の個数: 32

約数和(自身を含む): 43657920

約数和(自身を除く): 25515030

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 619, 977, 1238, 1857, 1954, 2931, 3095, 3714, 4885, 5862, 6190, 9285, 9770, 14655, 18570, 29310, 604763, 1209526, 1814289, 3023815, 3628578, 6047630, 9071445, 18142890]

約数ペア:

[(1, 18142890), (2, 9071445), (3, 6047630), (5, 3628578), (6, 3023815), (10, 1814289), (15, 1209526), (30, 604763), (619, 29310), (977, 18570), (1238, 14655), (1857, 9770), (1954, 9285), (2931, 6190), (3095, 5862), (3714, 4885)]