19754128

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30113}}^1$

素因数の和:30162

約数の個数: 20

約数和(自身を含む): 39208428

約数和(自身を除く): 19454300

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30113, 60226, 120452, 240904, 481808, 1234633, 2469266, 4938532, 9877064, 19754128]

約数ペア:

[(1, 19754128), (2, 9877064), (4, 4938532), (8, 2469266), (16, 1234633), (41, 481808), (82, 240904), (164, 120452), (328, 60226), (656, 30113)]