19958382

素因数分解:

$2^1\times 3^2\times {\mathrm{409}}^1\times {\mathrm{2711}}^1$

素因数の和:3128

約数の個数: 24

約数和(自身を含む): 43364880

約数和(自身を除く): 23406498

約数列:

[1, 2, 3, 6, 9, 18, 409, 818, 1227, 2454, 2711, 3681, 5422, 7362, 8133, 16266, 24399, 48798, 1108799, 2217598, 3326397, 6652794, 9979191, 19958382]

約数ペア:

[(1, 19958382), (2, 9979191), (3, 6652794), (6, 3326397), (9, 2217598), (18, 1108799), (409, 48798), (818, 24399), (1227, 16266), (2454, 8133), (2711, 7362), (3681, 5422)]