19711830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{657061}}^1$

素因数の和:657071

約数の個数: 16

約数和(自身を含む): 47308464

約数和(自身を除く): 27596634

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 657061, 1314122, 1971183, 3285305, 3942366, 6570610, 9855915, 19711830]

約数ペア:

[(1, 19711830), (2, 9855915), (3, 6570610), (5, 3942366), (6, 3285305), (10, 1971183), (15, 1314122), (30, 657061)]