18711867

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{1021}}^1$

素因数の和:1214

約数の個数: 16

約数和(自身を含む): 25754400

約数和(自身を除く): 7042533

約数列:

[1, 3, 41, 123, 149, 447, 1021, 3063, 6109, 18327, 41861, 125583, 152129, 456387, 6237289, 18711867]

約数ペア:

[(1, 18711867), (3, 6237289), (41, 456387), (123, 152129), (149, 125583), (447, 41861), (1021, 18327), (3063, 6109)]