31146966

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1493}}^1$

素因数の和:1581

約数の個数: 48

約数和(自身を含む): 72249840

約数和(自身を除く): 41102874

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 61, 114, 122, 171, 183, 342, 366, 549, 1098, 1159, 1493, 2318, 2986, 3477, 4479, 6954, 8958, 10431, 13437, 20862, 26874, 28367, 56734, 85101, 91073, 170202, 182146, 255303, 273219, 510606, 546438, 819657, 1639314, 1730387, 3460774, 5191161, 10382322, 15573483, 31146966]

約数ペア:

[(1, 31146966), (2, 15573483), (3, 10382322), (6, 5191161), (9, 3460774), (18, 1730387), (19, 1639314), (38, 819657), (57, 546438), (61, 510606), (114, 273219), (122, 255303), (171, 182146), (183, 170202), (342, 91073), (366, 85101), (549, 56734), (1098, 28367), (1159, 26874), (1493, 20862), (2318, 13437), (2986, 10431), (3477, 8958), (4479, 6954)]