19397790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{215531}}^1$

素因数の和:215544

約数の個数: 24

約数和(自身を含む): 50434488

約数和(自身を除く): 31036698

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 215531, 431062, 646593, 1077655, 1293186, 1939779, 2155310, 3232965, 3879558, 6465930, 9698895, 19397790]

約数ペア:

[(1, 19397790), (2, 9698895), (3, 6465930), (5, 3879558), (6, 3232965), (9, 2155310), (10, 1939779), (15, 1293186), (18, 1077655), (30, 646593), (45, 431062), (90, 215531)]