18768764

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3089}}^1$

素因数の和:3138

約数の個数: 36

約数和(自身を含む): 39453120

約数和(自身を除く): 20684356

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 3089, 6076, 6178, 12356, 21623, 43246, 86492, 95759, 151361, 191518, 302722, 383036, 605444, 670313, 1340626, 2681252, 4692191, 9384382, 18768764]

約数ペア:

[(1, 18768764), (2, 9384382), (4, 4692191), (7, 2681252), (14, 1340626), (28, 670313), (31, 605444), (49, 383036), (62, 302722), (98, 191518), (124, 151361), (196, 95759), (217, 86492), (434, 43246), (868, 21623), (1519, 12356), (3038, 6178), (3089, 6076)]