18916593

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 25704000

約数和(自身を除く): 6787407

約数列:

[1, 3, 101, 149, 303, 419, 447, 1257, 15049, 42319, 45147, 62431, 126957, 187293, 6305531, 18916593]

約数ペア:

[(1, 18916593), (3, 6305531), (101, 187293), (149, 126957), (303, 62431), (419, 45147), (447, 42319), (1257, 15049)]