18852639

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 28492800

約数和(自身を除く): 9640161

約数列:

[1, 3, 13, 29, 39, 79, 87, 211, 237, 377, 633, 1027, 1131, 2291, 2743, 3081, 6119, 6873, 8229, 16669, 18357, 29783, 50007, 79547, 89349, 216697, 238641, 483401, 650091, 1450203, 6284213, 18852639]

約数ペア:

[(1, 18852639), (3, 6284213), (13, 1450203), (29, 650091), (39, 483401), (79, 238641), (87, 216697), (211, 89349), (237, 79547), (377, 50007), (633, 29783), (1027, 18357), (1131, 16669), (2291, 8229), (2743, 6873), (3081, 6119)]