18831820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{134513}}^1$

素因数の和:134529

約数の個数: 24

約数和(自身を含む): 45196704

約数和(自身を除く): 26364884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 134513, 269026, 538052, 672565, 941591, 1345130, 1883182, 2690260, 3766364, 4707955, 9415910, 18831820]

約数ペア:

[(1, 18831820), (2, 9415910), (4, 4707955), (5, 3766364), (7, 2690260), (10, 1883182), (14, 1345130), (20, 941591), (28, 672565), (35, 538052), (70, 269026), (140, 134513)]