19112912

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13127}}^1$

素因数の和:13155

約数の個数: 40

約数和(自身を含む): 45580416

約数和(自身を除く): 26467504

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13127, 26254, 52508, 91889, 105016, 170651, 183778, 210032, 341302, 367556, 682604, 735112, 1194557, 1365208, 1470224, 2389114, 2730416, 4778228, 9556456, 19112912]

約数ペア:

[(1, 19112912), (2, 9556456), (4, 4778228), (7, 2730416), (8, 2389114), (13, 1470224), (14, 1365208), (16, 1194557), (26, 735112), (28, 682604), (52, 367556), (56, 341302), (91, 210032), (104, 183778), (112, 170651), (182, 105016), (208, 91889), (364, 52508), (728, 26254), (1456, 13127)]