19027940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12043}}^1$

素因数の和:12131

約数の個数: 24

約数和(自身を含む): 40467840

約数和(自身を除く): 21439900

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12043, 24086, 48172, 60215, 120430, 240860, 951397, 1902794, 3805588, 4756985, 9513970, 19027940]

約数ペア:

[(1, 19027940), (2, 9513970), (4, 4756985), (5, 3805588), (10, 1902794), (20, 951397), (79, 240860), (158, 120430), (316, 60215), (395, 48172), (790, 24086), (1580, 12043)]