19345898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 37884672

約数和(自身を除く): 18538774

約数列:

[1, 2, 11, 13, 17, 22, 23, 26, 34, 46, 143, 173, 187, 221, 253, 286, 299, 346, 374, 391, 442, 506, 598, 782, 1903, 2249, 2431, 2941, 3289, 3806, 3979, 4301, 4498, 4862, 5083, 5882, 6578, 7958, 8602, 10166, 24739, 32351, 38233, 43769, 49478, 51727, 55913, 64702, 67643, 76466, 87538, 103454, 111826, 135286, 420563, 568997, 744073, 841126, 879359, 1137994, 1488146, 1758718, 9672949, 19345898]

約数ペア:

[(1, 19345898), (2, 9672949), (11, 1758718), (13, 1488146), (17, 1137994), (22, 879359), (23, 841126), (26, 744073), (34, 568997), (46, 420563), (143, 135286), (173, 111826), (187, 103454), (221, 87538), (253, 76466), (286, 67643), (299, 64702), (346, 55913), (374, 51727), (391, 49478), (442, 43769), (506, 38233), (598, 32351), (782, 24739), (1903, 10166), (2249, 8602), (2431, 7958), (2941, 6578), (3289, 5882), (3806, 5083), (3979, 4862), (4301, 4498)]