18656120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{66629}}^1$

素因数の和:66647

約数の個数: 32

約数和(自身を含む): 47973600

約数和(自身を除く): 29317480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 66629, 133258, 266516, 333145, 466403, 533032, 666290, 932806, 1332580, 1865612, 2332015, 2665160, 3731224, 4664030, 9328060, 18656120]

約数ペア:

[(1, 18656120), (2, 9328060), (4, 4664030), (5, 3731224), (7, 2665160), (8, 2332015), (10, 1865612), (14, 1332580), (20, 932806), (28, 666290), (35, 533032), (40, 466403), (56, 333145), (70, 266516), (140, 133258), (280, 66629)]