19876390

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48479}}^1$

素因数の和:48527

約数の個数: 16

約数和(自身を含む): 36650880

約数和(自身を除く): 16774490

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 48479, 96958, 242395, 484790, 1987639, 3975278, 9938195, 19876390]

約数ペア:

[(1, 19876390), (2, 9938195), (5, 3975278), (10, 1987639), (41, 484790), (82, 242395), (205, 96958), (410, 48479)]