18561610090

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{30428869}}^1$

素因数の和:30428937

約数の個数: 16

約数和(自身を含む): 33958618920

約数和(自身を除く): 15397008830

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 30428869, 60857738, 152144345, 304288690, 1856161009, 3712322018, 9280805045, 18561610090]

約数ペア:

[(1, 18561610090), (2, 9280805045), (5, 3712322018), (10, 1856161009), (61, 304288690), (122, 152144345), (305, 60857738), (610, 30428869)]