19618398

素因数分解:

$2^1\times 3^2\times {\mathrm{1039}}^1\times {\mathrm{1049}}^1$

素因数の和:2096

約数の個数: 24

約数和(自身を含む): 42588000

約数和(自身を除く): 22969602

約数列:

[1, 2, 3, 6, 9, 18, 1039, 1049, 2078, 2098, 3117, 3147, 6234, 6294, 9351, 9441, 18702, 18882, 1089911, 2179822, 3269733, 6539466, 9809199, 19618398]

約数ペア:

[(1, 19618398), (2, 9809199), (3, 6539466), (6, 3269733), (9, 2179822), (18, 1089911), (1039, 18882), (1049, 18702), (2078, 9441), (2098, 9351), (3117, 6294), (3147, 6234)]