16481740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3943}}^1$

素因数の和:3982

約数の個数: 48

約数和(自身を含む): 39755520

約数和(自身を除く): 23273780

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, 3943, 4180, 7886, 15772, 19715, 39430, 43373, 74917, 78860, 86746, 149834, 173492, 216865, 299668, 374585, 433730, 749170, 824087, 867460, 1498340, 1648174, 3296348, 4120435, 8240870, 16481740]

約数ペア:

[(1, 16481740), (2, 8240870), (4, 4120435), (5, 3296348), (10, 1648174), (11, 1498340), (19, 867460), (20, 824087), (22, 749170), (38, 433730), (44, 374585), (55, 299668), (76, 216865), (95, 173492), (110, 149834), (190, 86746), (209, 78860), (220, 74917), (380, 43373), (418, 39430), (836, 19715), (1045, 15772), (2090, 7886), (3943, 4180)]