18986445

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{14549}}^1$

素因数の和:14589

約数の個数: 24

約数和(自身を含む): 34047000

約数和(自身を除く): 15060555

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 14549, 43647, 72745, 130941, 218235, 421921, 654705, 1265763, 2109605, 3797289, 6328815, 18986445]

約数ペア:

[(1, 18986445), (3, 6328815), (5, 3797289), (9, 2109605), (15, 1265763), (29, 654705), (45, 421921), (87, 218235), (145, 130941), (261, 72745), (435, 43647), (1305, 14549)]