18321990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{610733}}^1$

素因数の和:610743

約数の個数: 16

約数和(自身を含む): 43972848

約数和(自身を除く): 25650858

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 610733, 1221466, 1832199, 3053665, 3664398, 6107330, 9160995, 18321990]

約数ペア:

[(1, 18321990), (2, 9160995), (3, 6107330), (5, 3664398), (6, 3053665), (10, 1832199), (15, 1221466), (30, 610733)]