18410288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1451}}^1$

素因数の和:1533

約数の個数: 40

約数和(自身を含む): 39070416

約数和(自身を除く): 20660128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1451, 1586, 2902, 3172, 5804, 6344, 11608, 12688, 18863, 23216, 37726, 75452, 88511, 150904, 177022, 301808, 354044, 708088, 1150643, 1416176, 2301286, 4602572, 9205144, 18410288]

約数ペア:

[(1, 18410288), (2, 9205144), (4, 4602572), (8, 2301286), (13, 1416176), (16, 1150643), (26, 708088), (52, 354044), (61, 301808), (104, 177022), (122, 150904), (208, 88511), (244, 75452), (488, 37726), (793, 23216), (976, 18863), (1451, 12688), (1586, 11608), (2902, 6344), (3172, 5804)]