19876472

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:852

約数の個数: 64

約数和(自身を含む): 47658240

約数和(自身を除く): 27781768

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 41, 44, 56, 77, 82, 88, 154, 164, 287, 308, 328, 451, 574, 616, 787, 902, 1148, 1574, 1804, 2296, 3148, 3157, 3608, 5509, 6296, 6314, 8657, 11018, 12628, 17314, 22036, 25256, 32267, 34628, 44072, 60599, 64534, 69256, 121198, 129068, 225869, 242396, 258136, 354937, 451738, 484792, 709874, 903476, 1419748, 1806952, 2484559, 2839496, 4969118, 9938236, 19876472]

約数ペア:

[(1, 19876472), (2, 9938236), (4, 4969118), (7, 2839496), (8, 2484559), (11, 1806952), (14, 1419748), (22, 903476), (28, 709874), (41, 484792), (44, 451738), (56, 354937), (77, 258136), (82, 242396), (88, 225869), (154, 129068), (164, 121198), (287, 69256), (308, 64534), (328, 60599), (451, 44072), (574, 34628), (616, 32267), (787, 25256), (902, 22036), (1148, 17314), (1574, 12628), (1804, 11018), (2296, 8657), (3148, 6314), (3157, 6296), (3608, 5509)]