19079228

素因数分解:

$2^2\times 7^2\times {\mathrm{311}}^1\times {\mathrm{313}}^1$

素因数の和:642

約数の個数: 36

約数和(自身を含む): 39089232

約数和(自身を除く): 20010004

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 311, 313, 622, 626, 1244, 1252, 2177, 2191, 4354, 4382, 8708, 8764, 15239, 15337, 30478, 30674, 60956, 61348, 97343, 194686, 389372, 681401, 1362802, 2725604, 4769807, 9539614, 19079228]

約数ペア:

[(1, 19079228), (2, 9539614), (4, 4769807), (7, 2725604), (14, 1362802), (28, 681401), (49, 389372), (98, 194686), (196, 97343), (311, 61348), (313, 60956), (622, 30674), (626, 30478), (1244, 15337), (1252, 15239), (2177, 8764), (2191, 8708), (4354, 4382)]