18894243

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{983}}^1$

素因数の和:1178

約数の個数: 16

約数和(自身を含む): 25977600

約数和(自身を除く): 7083357

約数列:

[1, 3, 43, 129, 149, 447, 983, 2949, 6407, 19221, 42269, 126807, 146467, 439401, 6298081, 18894243]

約数ペア:

[(1, 18894243), (3, 6298081), (43, 439401), (129, 146467), (149, 126807), (447, 42269), (983, 19221), (2949, 6407)]