18737128

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{443}}^1$

素因数の和:777

約数の個数: 32

約数和(自身を含む): 37402560

約数和(自身を除く): 18665432

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 311, 443, 622, 886, 1244, 1772, 2488, 3544, 5287, 7531, 10574, 15062, 21148, 30124, 42296, 60248, 137773, 275546, 551092, 1102184, 2342141, 4684282, 9368564, 18737128]

約数ペア:

[(1, 18737128), (2, 9368564), (4, 4684282), (8, 2342141), (17, 1102184), (34, 551092), (68, 275546), (136, 137773), (311, 60248), (443, 42296), (622, 30124), (886, 21148), (1244, 15062), (1772, 10574), (2488, 7531), (3544, 5287)]