19549850

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5507}}^1$

素因数の和:5590

約数の個数: 24

約数和(自身を含む): 36881568

約数和(自身を除く): 17331718

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 5507, 11014, 27535, 55070, 137675, 275350, 390997, 781994, 1954985, 3909970, 9774925, 19549850]

約数ペア:

[(1, 19549850), (2, 9774925), (5, 3909970), (10, 1954985), (25, 781994), (50, 390997), (71, 275350), (142, 137675), (355, 55070), (710, 27535), (1775, 11014), (3550, 5507)]