18857940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{314299}}^1$

素因数の和:314311

約数の個数: 24

約数和(自身を含む): 52802400

約数和(自身を除く): 33944460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 314299, 628598, 942897, 1257196, 1571495, 1885794, 3142990, 3771588, 4714485, 6285980, 9428970, 18857940]

約数ペア:

[(1, 18857940), (2, 9428970), (3, 6285980), (4, 4714485), (5, 3771588), (6, 3142990), (10, 1885794), (12, 1571495), (15, 1257196), (20, 942897), (30, 628598), (60, 314299)]