19879834

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1097}}^1$

素因数の和:1170

約数の個数: 32

約数和(自身を含む): 34863696

約数和(自身を除く): 14983862

約数列:

[1, 2, 13, 17, 26, 34, 41, 82, 221, 442, 533, 697, 1066, 1097, 1394, 2194, 9061, 14261, 18122, 18649, 28522, 37298, 44977, 89954, 242437, 484874, 584701, 764609, 1169402, 1529218, 9939917, 19879834]

約数ペア:

[(1, 19879834), (2, 9939917), (13, 1529218), (17, 1169402), (26, 764609), (34, 584701), (41, 484874), (82, 242437), (221, 89954), (442, 44977), (533, 37298), (697, 28522), (1066, 18649), (1097, 18122), (1394, 14261), (2194, 9061)]