17978792

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10169}}^1$

素因数の和:10205

約数の個数: 32

約数和(自身を含む): 38442600

約数和(自身を除く): 20463808

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 10169, 20338, 40676, 81352, 132197, 172873, 264394, 345746, 528788, 691492, 1057576, 1382984, 2247349, 4494698, 8989396, 17978792]

約数ペア:

[(1, 17978792), (2, 8989396), (4, 4494698), (8, 2247349), (13, 1382984), (17, 1057576), (26, 691492), (34, 528788), (52, 345746), (68, 264394), (104, 172873), (136, 132197), (221, 81352), (442, 40676), (884, 20338), (1768, 10169)]