19904176

素因数分解:

$2^4\times {\mathrm{419}}^1\times {\mathrm{2969}}^1$

素因数の和:3396

約数の個数: 20

約数和(自身を含む): 38669400

約数和(自身を除く): 18765224

約数列:

[1, 2, 4, 8, 16, 419, 838, 1676, 2969, 3352, 5938, 6704, 11876, 23752, 47504, 1244011, 2488022, 4976044, 9952088, 19904176]

約数ペア:

[(1, 19904176), (2, 9952088), (4, 4976044), (8, 2488022), (16, 1244011), (419, 47504), (838, 23752), (1676, 11876), (2969, 6704), (3352, 5938)]