18996015

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43669}}^1$

素因数の和:43706

約数の個数: 16

約数和(自身を含む): 31442400

約数和(自身を除く): 12446385

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 43669, 131007, 218345, 655035, 1266401, 3799203, 6332005, 18996015]

約数ペア:

[(1, 18996015), (3, 6332005), (5, 3799203), (15, 1266401), (29, 655035), (87, 218345), (145, 131007), (435, 43669)]