19509688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3037}}^1$

素因数の和:3127

約数の個数: 32

約数和(自身を含む): 40466160

約数和(自身を除く): 20956472

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 146, 292, 584, 803, 1606, 3037, 3212, 6074, 6424, 12148, 24296, 33407, 66814, 133628, 221701, 267256, 443402, 886804, 1773608, 2438711, 4877422, 9754844, 19509688]

約数ペア:

[(1, 19509688), (2, 9754844), (4, 4877422), (8, 2438711), (11, 1773608), (22, 886804), (44, 443402), (73, 267256), (88, 221701), (146, 133628), (292, 66814), (584, 33407), (803, 24296), (1606, 12148), (3037, 6424), (3212, 6074)]