17770818

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1663}}^1$

素因数の和:1818

約数の個数: 32

約数和(自身を含む): 38578176

約数和(自身を除く): 20807358

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 137, 274, 411, 822, 1663, 1781, 3326, 3562, 4989, 5343, 9978, 10686, 21619, 43238, 64857, 129714, 227831, 455662, 683493, 1366986, 2961803, 5923606, 8885409, 17770818]

約数ペア:

[(1, 17770818), (2, 8885409), (3, 5923606), (6, 2961803), (13, 1366986), (26, 683493), (39, 455662), (78, 227831), (137, 129714), (274, 64857), (411, 43238), (822, 21619), (1663, 10686), (1781, 9978), (3326, 5343), (3562, 4989)]