18851973

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1697}}^1$

素因数の和:1753

約数の個数: 24

約数和(自身を含む): 30047808

約数和(自身を除く): 11195835

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 529, 1587, 1697, 3703, 5091, 11109, 11879, 35637, 39031, 117093, 273217, 819651, 897713, 2693139, 6283991, 18851973]

約数ペア:

[(1, 18851973), (3, 6283991), (7, 2693139), (21, 897713), (23, 819651), (69, 273217), (161, 117093), (483, 39031), (529, 35637), (1587, 11879), (1697, 11109), (3703, 5091)]