19819264

素因数分解:

$2^8\times {\mathrm{77419}}^1$

素因数の和:77435

約数の個数: 18

約数和(自身を含む): 39561620

約数和(自身を除く): 19742356

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 77419, 154838, 309676, 619352, 1238704, 2477408, 4954816, 9909632, 19819264]

約数ペア:

[(1, 19819264), (2, 9909632), (4, 4954816), (8, 2477408), (16, 1238704), (32, 619352), (64, 309676), (128, 154838), (256, 77419)]