17821580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127297}}^1$

素因数の和:127313

約数の個数: 24

約数和(自身を含む): 42772128

約数和(自身を除く): 24950548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 127297, 254594, 509188, 636485, 891079, 1272970, 1782158, 2545940, 3564316, 4455395, 8910790, 17821580]

約数ペア:

[(1, 17821580), (2, 8910790), (4, 4455395), (5, 3564316), (7, 2545940), (10, 1782158), (14, 1272970), (20, 891079), (28, 636485), (35, 509188), (70, 254594), (140, 127297)]