18738512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{90089}}^1$

素因数の和:90110

約数の個数: 20

約数和(自身を含む): 39099060

約数和(自身を除く): 20360548

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 90089, 180178, 360356, 720712, 1171157, 1441424, 2342314, 4684628, 9369256, 18738512]

約数ペア:

[(1, 18738512), (2, 9369256), (4, 4684628), (8, 2342314), (13, 1441424), (16, 1171157), (26, 720712), (52, 360356), (104, 180178), (208, 90089)]