18971065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{727}}^1$

素因数の和:1056

約数の個数: 16

約数和(自身を含む): 24216192

約数和(自身を除く): 5245127

約数列:

[1, 5, 17, 85, 307, 727, 1535, 3635, 5219, 12359, 26095, 61795, 223189, 1115945, 3794213, 18971065]

約数ペア:

[(1, 18971065), (5, 3794213), (17, 1115945), (85, 223189), (307, 61795), (727, 26095), (1535, 12359), (3635, 5219)]