18712486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{15313}}^1$

素因数の和:15375

約数の個数: 16

約数和(自身を含む): 30873024

約数和(自身を除く): 12160538

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 15313, 30626, 199069, 398138, 719711, 1439422, 9356243, 18712486]

約数ペア:

[(1, 18712486), (2, 9356243), (13, 1439422), (26, 719711), (47, 398138), (94, 199069), (611, 30626), (1222, 15313)]