18640740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4637}}^1$

素因数の和:4716

約数の個数: 48

約数和(自身を含む): 52984512

約数和(自身を除く): 34343772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 4637, 9274, 13911, 18548, 23185, 27822, 46370, 55644, 69555, 92740, 139110, 278220, 310679, 621358, 932037, 1242716, 1553395, 1864074, 3106790, 3728148, 4660185, 6213580, 9320370, 18640740]

約数ペア:

[(1, 18640740), (2, 9320370), (3, 6213580), (4, 4660185), (5, 3728148), (6, 3106790), (10, 1864074), (12, 1553395), (15, 1242716), (20, 932037), (30, 621358), (60, 310679), (67, 278220), (134, 139110), (201, 92740), (268, 69555), (335, 55644), (402, 46370), (670, 27822), (804, 23185), (1005, 18548), (1340, 13911), (2010, 9274), (4020, 4637)]