18974115

素因数分解:

$3^3\times 5^1\times {\mathrm{140549}}^1$

素因数の和:140563

約数の個数: 16

約数和(自身を含む): 33732000

約数和(自身を除く): 14757885

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 140549, 421647, 702745, 1264941, 2108235, 3794823, 6324705, 18974115]

約数ペア:

[(1, 18974115), (3, 6324705), (5, 3794823), (9, 2108235), (15, 1264941), (27, 702745), (45, 421647), (135, 140549)]