19185712

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13177}}^1$

素因数の和:13205

約数の個数: 40

約数和(自身を含む): 45754016

約数和(自身を除く): 26568304

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13177, 26354, 52708, 92239, 105416, 171301, 184478, 210832, 342602, 368956, 685204, 737912, 1199107, 1370408, 1475824, 2398214, 2740816, 4796428, 9592856, 19185712]

約数ペア:

[(1, 19185712), (2, 9592856), (4, 4796428), (7, 2740816), (8, 2398214), (13, 1475824), (14, 1370408), (16, 1199107), (26, 737912), (28, 685204), (52, 368956), (56, 342602), (91, 210832), (104, 184478), (112, 171301), (182, 105416), (208, 92239), (364, 52708), (728, 26354), (1456, 13177)]