18303974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 31026240

約数和(自身を除く): 12722266

約数列:

[1, 2, 13, 26, 37, 53, 74, 106, 359, 481, 689, 718, 962, 1378, 1961, 3922, 4667, 9334, 13283, 19027, 25493, 26566, 38054, 50986, 172679, 247351, 345358, 494702, 703999, 1407998, 9151987, 18303974]

約数ペア:

[(1, 18303974), (2, 9151987), (13, 1407998), (26, 703999), (37, 494702), (53, 345358), (74, 247351), (106, 172679), (359, 50986), (481, 38054), (689, 26566), (718, 25493), (962, 19027), (1378, 13283), (1961, 9334), (3922, 4667)]