19961915

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{467}}^1$

素因数の和:658

約数の個数: 16

約数和(自身を含む): 24530688

約数和(自身を除く): 4568773

約数列:

[1, 5, 83, 103, 415, 467, 515, 2335, 8549, 38761, 42745, 48101, 193805, 240505, 3992383, 19961915]

約数ペア:

[(1, 19961915), (5, 3992383), (83, 240505), (103, 193805), (415, 48101), (467, 42745), (515, 38761), (2335, 8549)]