19462420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31391}}^1$

素因数の和:31431

約数の個数: 24

約数和(自身を含む): 42190848

約数和(自身を除く): 22728428

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 31391, 62782, 125564, 156955, 313910, 627820, 973121, 1946242, 3892484, 4865605, 9731210, 19462420]

約数ペア:

[(1, 19462420), (2, 9731210), (4, 4865605), (5, 3892484), (10, 1946242), (20, 973121), (31, 627820), (62, 313910), (124, 156955), (155, 125564), (310, 62782), (620, 31391)]