18110729

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 24675840

約数和(自身を除く): 6565111

約数列:

[1, 7, 13, 17, 23, 91, 119, 161, 221, 299, 391, 509, 1547, 2093, 2737, 3563, 5083, 6617, 8653, 11707, 35581, 46319, 60571, 81949, 112489, 152191, 199019, 787423, 1065337, 1393133, 2587247, 18110729]

約数ペア:

[(1, 18110729), (7, 2587247), (13, 1393133), (17, 1065337), (23, 787423), (91, 199019), (119, 152191), (161, 112489), (221, 81949), (299, 60571), (391, 46319), (509, 35581), (1547, 11707), (2093, 8653), (2737, 6617), (3563, 5083)]