18121136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5419}}^1$

素因数の和:5457

約数の個数: 40

約数和(自身を含む): 40324800

約数和(自身を除く): 22203664

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 5419, 10838, 21676, 43352, 59609, 86704, 102961, 119218, 205922, 238436, 411844, 476872, 823688, 953744, 1132571, 1647376, 2265142, 4530284, 9060568, 18121136]

約数ペア:

[(1, 18121136), (2, 9060568), (4, 4530284), (8, 2265142), (11, 1647376), (16, 1132571), (19, 953744), (22, 823688), (38, 476872), (44, 411844), (76, 238436), (88, 205922), (152, 119218), (176, 102961), (209, 86704), (304, 59609), (418, 43352), (836, 21676), (1672, 10838), (3344, 5419)]