19814809

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{619}}^1$

素因数の和:912

約数の個数: 16

約数和(自身を含む): 24105600

約数和(自身を除く): 4290791

約数列:

[1, 7, 17, 119, 269, 619, 1883, 4333, 4573, 10523, 32011, 73661, 166511, 1165577, 2830687, 19814809]

約数ペア:

[(1, 19814809), (7, 2830687), (17, 1165577), (119, 166511), (269, 73661), (619, 32011), (1883, 10523), (4333, 4573)]