19069648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5393}}^1$

素因数の和:5431

約数の個数: 40

約数和(自身を含む): 42137928

約数和(自身を除く): 23068280

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 5393, 10786, 21572, 43144, 70109, 86288, 91681, 140218, 183362, 280436, 366724, 560872, 733448, 1121744, 1191853, 1466896, 2383706, 4767412, 9534824, 19069648]

約数ペア:

[(1, 19069648), (2, 9534824), (4, 4767412), (8, 2383706), (13, 1466896), (16, 1191853), (17, 1121744), (26, 733448), (34, 560872), (52, 366724), (68, 280436), (104, 183362), (136, 140218), (208, 91681), (221, 86288), (272, 70109), (442, 43144), (884, 21572), (1768, 10786), (3536, 5393)]