1851740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 4475520

約数和(自身を除く): 2623780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 443, 836, 886, 1045, 1772, 2090, 2215, 4180, 4430, 4873, 8417, 8860, 9746, 16834, 19492, 24365, 33668, 42085, 48730, 84170, 92587, 97460, 168340, 185174, 370348, 462935, 925870, 1851740]

約数ペア:

[(1, 1851740), (2, 925870), (4, 462935), (5, 370348), (10, 185174), (11, 168340), (19, 97460), (20, 92587), (22, 84170), (38, 48730), (44, 42085), (55, 33668), (76, 24365), (95, 19492), (110, 16834), (190, 9746), (209, 8860), (220, 8417), (380, 4873), (418, 4430), (443, 4180), (836, 2215), (886, 2090), (1045, 1772)]