19669955

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{419}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 24343200

約数和(自身を除く): 4673245

約数列:

[1, 5, 41, 205, 229, 419, 1145, 2095, 9389, 17179, 46945, 85895, 95951, 479755, 3933991, 19669955]

約数ペア:

[(1, 19669955), (5, 3933991), (41, 479755), (205, 95951), (229, 85895), (419, 46945), (1145, 17179), (2095, 9389)]