19281540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{321359}}^1$

素因数の和:321371

約数の個数: 24

約数和(自身を含む): 53988480

約数和(自身を除く): 34706940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 321359, 642718, 964077, 1285436, 1606795, 1928154, 3213590, 3856308, 4820385, 6427180, 9640770, 19281540]

約数ペア:

[(1, 19281540), (2, 9640770), (3, 6427180), (4, 4820385), (5, 3856308), (6, 3213590), (10, 1928154), (12, 1606795), (15, 1285436), (20, 964077), (30, 642718), (60, 321359)]