19840912

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13627}}^1$

素因数の和:13655

約数の個数: 40

約数和(自身を含む): 47316416

約数和(自身を除く): 27475504

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13627, 27254, 54508, 95389, 109016, 177151, 190778, 218032, 354302, 381556, 708604, 763112, 1240057, 1417208, 1526224, 2480114, 2834416, 4960228, 9920456, 19840912]

約数ペア:

[(1, 19840912), (2, 9920456), (4, 4960228), (7, 2834416), (8, 2480114), (13, 1526224), (14, 1417208), (16, 1240057), (26, 763112), (28, 708604), (52, 381556), (56, 354302), (91, 218032), (104, 190778), (112, 177151), (182, 109016), (208, 95389), (364, 54508), (728, 27254), (1456, 13627)]