19689815886

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{252433537}}^1$

素因数の和:252433555

約数の個数: 16

約数和(自身を含む): 42408834384

約数和(自身を除く): 22719018498

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 252433537, 504867074, 757300611, 1514601222, 3281635981, 6563271962, 9844907943, 19689815886]

約数ペア:

[(1, 19689815886), (2, 9844907943), (3, 6563271962), (6, 3281635981), (13, 1514601222), (26, 757300611), (39, 504867074), (78, 252433537)]