18687878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{5701}}^1$

素因数の和:5863

約数の個数: 16

約数和(自身を含む): 30790800

約数和(自身を除く): 12102922

約数列:

[1, 2, 11, 22, 149, 298, 1639, 3278, 5701, 11402, 62711, 125422, 849449, 1698898, 9343939, 18687878]

約数ペア:

[(1, 18687878), (2, 9343939), (11, 1698898), (22, 849449), (149, 125422), (298, 62711), (1639, 11402), (3278, 5701)]