18948473479

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{55639}}^1$

素因数の和:55759

約数の個数: 32

約数和(自身を含む): 22882728960

約数和(自身を除く): 3934255481

約数列:

[1, 13, 17, 23, 67, 221, 299, 391, 871, 1139, 1541, 5083, 14807, 20033, 26197, 55639, 340561, 723307, 945863, 1279697, 3727813, 12296219, 16636061, 21754849, 48461569, 63372821, 85739699, 282813037, 823846673, 1114616087, 1457574883, 18948473479]

約数ペア:

[(1, 18948473479), (13, 1457574883), (17, 1114616087), (23, 823846673), (67, 282813037), (221, 85739699), (299, 63372821), (391, 48461569), (871, 21754849), (1139, 16636061), (1541, 12296219), (5083, 3727813), (14807, 1279697), (20033, 945863), (26197, 723307), (55639, 340561)]