18884115

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13537}}^1$

素因数の和:13579

約数の個数: 24

約数和(自身を含む): 33790848

約数和(自身を除く): 14906733

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 13537, 40611, 67685, 121833, 203055, 419647, 609165, 1258941, 2098235, 3776823, 6294705, 18884115]

約数ペア:

[(1, 18884115), (3, 6294705), (5, 3776823), (9, 2098235), (15, 1258941), (31, 609165), (45, 419647), (93, 203055), (155, 121833), (279, 67685), (465, 40611), (1395, 13537)]