19370320

素因数分解:

$2^4\times 5^1\times {\mathrm{242129}}^1$

素因数の和:242142

約数の個数: 20

約数和(自身を含む): 45036180

約数和(自身を除く): 25665860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 242129, 484258, 968516, 1210645, 1937032, 2421290, 3874064, 4842580, 9685160, 19370320]

約数ペア:

[(1, 19370320), (2, 9685160), (4, 4842580), (5, 3874064), (8, 2421290), (10, 1937032), (16, 1210645), (20, 968516), (40, 484258), (80, 242129)]