18243670180

素因数分解:

$2^2\times 5^1\times {\mathrm{3821}}^1\times {\mathrm{238729}}^1$

素因数の和:242559

約数の個数: 24

約数和(自身を含む): 38321894520

約数和(自身を除く): 20078224340

約数列:

[1, 2, 4, 5, 10, 20, 3821, 7642, 15284, 19105, 38210, 76420, 238729, 477458, 954916, 1193645, 2387290, 4774580, 912183509, 1824367018, 3648734036, 4560917545, 9121835090, 18243670180]

約数ペア:

[(1, 18243670180), (2, 9121835090), (4, 4560917545), (5, 3648734036), (10, 1824367018), (20, 912183509), (3821, 4774580), (7642, 2387290), (15284, 1193645), (19105, 954916), (38210, 477458), (76420, 238729)]