18978170

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{24023}}^1$

素因数の和:24109

約数の個数: 16

約数和(自身を含む): 34594560

約数和(自身を除く): 15616390

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 24023, 48046, 120115, 240230, 1897817, 3795634, 9489085, 18978170]

約数ペア:

[(1, 18978170), (2, 9489085), (5, 3795634), (10, 1897817), (79, 240230), (158, 120115), (395, 48046), (790, 24023)]