19822420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13577}}^1$

素因数の和:13659

約数の個数: 24

約数和(自身を含む): 42200424

約数和(自身を除く): 22378004

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 13577, 27154, 54308, 67885, 135770, 271540, 991121, 1982242, 3964484, 4955605, 9911210, 19822420]

約数ペア:

[(1, 19822420), (2, 9911210), (4, 4955605), (5, 3964484), (10, 1982242), (20, 991121), (73, 271540), (146, 135770), (292, 67885), (365, 54308), (730, 27154), (1460, 13577)]