2118901490

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3473609}}^1$

素因数の和:3473677

約数の個数: 16

約数和(自身を含む): 3876548760

約数和(自身を除く): 1757647270

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 3473609, 6947218, 17368045, 34736090, 211890149, 423780298, 1059450745, 2118901490]

約数ペア:

[(1, 2118901490), (2, 1059450745), (5, 423780298), (10, 211890149), (61, 34736090), (122, 17368045), (305, 6947218), (610, 3473609)]