17937712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{86239}}^1$

素因数の和:86260

約数の個数: 20

約数和(自身を含む): 37428160

約数和(自身を除く): 19490448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 86239, 172478, 344956, 689912, 1121107, 1379824, 2242214, 4484428, 8968856, 17937712]

約数ペア:

[(1, 17937712), (2, 8968856), (4, 4484428), (8, 2242214), (13, 1379824), (16, 1121107), (26, 689912), (52, 344956), (104, 172478), (208, 86239)]