11917180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2851}}^1$

素因数の和:2890

約数の個数: 48

約数和(自身を含む): 28748160

約数和(自身を除く): 16830980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 2851, 4180, 5702, 11404, 14255, 28510, 31361, 54169, 57020, 62722, 108338, 125444, 156805, 216676, 270845, 313610, 541690, 595859, 627220, 1083380, 1191718, 2383436, 2979295, 5958590, 11917180]

約数ペア:

[(1, 11917180), (2, 5958590), (4, 2979295), (5, 2383436), (10, 1191718), (11, 1083380), (19, 627220), (20, 595859), (22, 541690), (38, 313610), (44, 270845), (55, 216676), (76, 156805), (95, 125444), (110, 108338), (190, 62722), (209, 57020), (220, 54169), (380, 31361), (418, 28510), (836, 14255), (1045, 11404), (2090, 5702), (2851, 4180)]