18393490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:702

約数の個数: 32

約数和(自身を含む): 35275824

約数和(自身を除く): 16882334

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 257, 421, 514, 842, 1285, 2105, 2570, 4210, 4369, 7157, 8738, 14314, 21845, 35785, 43690, 71570, 108197, 216394, 540985, 1081970, 1839349, 3678698, 9196745, 18393490]

約数ペア:

[(1, 18393490), (2, 9196745), (5, 3678698), (10, 1839349), (17, 1081970), (34, 540985), (85, 216394), (170, 108197), (257, 71570), (421, 43690), (514, 35785), (842, 21845), (1285, 14314), (2105, 8738), (2570, 7157), (4210, 4369)]