19469620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13711}}^1$

素因数の和:13791

約数の個数: 24

約数和(自身を含む): 41465088

約数和(自身を除く): 21995468

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 13711, 27422, 54844, 68555, 137110, 274220, 973481, 1946962, 3893924, 4867405, 9734810, 19469620]

約数ペア:

[(1, 19469620), (2, 9734810), (4, 4867405), (5, 3893924), (10, 1946962), (20, 973481), (71, 274220), (142, 137110), (284, 68555), (355, 54844), (710, 27422), (1420, 13711)]