19418392

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2647}}^1$

素因数の和:2791

約数の個数: 32

約数和(自身を含む): 41944320

約数和(自身を除く): 22525928

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 524, 917, 1048, 1834, 2647, 3668, 5294, 7336, 10588, 18529, 21176, 37058, 74116, 148232, 346757, 693514, 1387028, 2427299, 2774056, 4854598, 9709196, 19418392]

約数ペア:

[(1, 19418392), (2, 9709196), (4, 4854598), (7, 2774056), (8, 2427299), (14, 1387028), (28, 693514), (56, 346757), (131, 148232), (262, 74116), (524, 37058), (917, 21176), (1048, 18529), (1834, 10588), (2647, 7336), (3668, 5294)]