19956131990

素因数分解:

$2^1\times 5^1\times {\mathrm{3433}}^1\times {\mathrm{581303}}^1$

素因数の和:584743

約数の個数: 16

約数和(自身を含む): 35931562848

約数和(自身を除く): 15975430858

約数列:

[1, 2, 5, 10, 3433, 6866, 17165, 34330, 581303, 1162606, 2906515, 5813030, 1995613199, 3991226398, 9978065995, 19956131990]

約数ペア:

[(1, 19956131990), (2, 9978065995), (5, 3991226398), (10, 1995613199), (3433, 5813030), (6866, 2906515), (17165, 1162606), (34330, 581303)]