18605291275

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{2741}}^1\times {\mathrm{4451}}^1$

素因数の和:7263

約数の個数: 24

約数和(自身を含む): 23462592048

約数和(自身を除く): 4857300773

約数列:

[1, 5, 25, 61, 305, 1525, 2741, 4451, 13705, 22255, 68525, 111275, 167201, 271511, 836005, 1357555, 4180025, 6787775, 12200191, 61000955, 305004775, 744211651, 3721058255, 18605291275]

約数ペア:

[(1, 18605291275), (5, 3721058255), (25, 744211651), (61, 305004775), (305, 61000955), (1525, 12200191), (2741, 6787775), (4451, 4180025), (13705, 1357555), (22255, 836005), (68525, 271511), (111275, 167201)]