19989013818

素因数分解:

$2^1\times 3^1\times {\mathrm{1103}}^1\times {\mathrm{3020401}}^1$

素因数の和:3021509

約数の個数: 16

約数和(自身を含む): 40014285696

約数和(自身を除く): 20025271878

約数列:

[1, 2, 3, 6, 1103, 2206, 3309, 6618, 3020401, 6040802, 9061203, 18122406, 3331502303, 6663004606, 9994506909, 19989013818]

約数ペア:

[(1, 19989013818), (2, 9994506909), (3, 6663004606), (6, 3331502303), (1103, 18122406), (2206, 9061203), (3309, 6040802), (6618, 3020401)]