18921660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{315361}}^1$

素因数の和:315373

約数の個数: 24

約数和(自身を含む): 52980816

約数和(自身を除く): 34059156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 315361, 630722, 946083, 1261444, 1576805, 1892166, 3153610, 3784332, 4730415, 6307220, 9460830, 18921660]

約数ペア:

[(1, 18921660), (2, 9460830), (3, 6307220), (4, 4730415), (5, 3784332), (6, 3153610), (10, 1892166), (12, 1576805), (15, 1261444), (20, 946083), (30, 630722), (60, 315361)]