11918320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7841}}^1$

素因数の和:7873

約数の個数: 40

約数和(自身を含む): 29172240

約数和(自身を除く): 17253920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 7841, 15682, 31364, 39205, 62728, 78410, 125456, 148979, 156820, 297958, 313640, 595916, 627280, 744895, 1191832, 1489790, 2383664, 2979580, 5959160, 11918320]

約数ペア:

[(1, 11918320), (2, 5959160), (4, 2979580), (5, 2383664), (8, 1489790), (10, 1191832), (16, 744895), (19, 627280), (20, 595916), (38, 313640), (40, 297958), (76, 156820), (80, 148979), (95, 125456), (152, 78410), (190, 62728), (304, 39205), (380, 31364), (760, 15682), (1520, 7841)]