18895370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{145349}}^1$

素因数の和:145369

約数の個数: 16

約数和(自身を含む): 36628200

約数和(自身を除く): 17732830

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 145349, 290698, 726745, 1453490, 1889537, 3779074, 9447685, 18895370]

約数ペア:

[(1, 18895370), (2, 9447685), (5, 3779074), (10, 1889537), (13, 1453490), (26, 726745), (65, 290698), (130, 145349)]