19995308248

素因数分解:

$2^3\times {\mathrm{443}}^1\times {\mathrm{5642017}}^1$

素因数の和:5642466

約数の個数: 16

約数和(自身を含む): 37575839880

約数和(自身を除く): 17580531632

約数列:

[1, 2, 4, 8, 443, 886, 1772, 3544, 5642017, 11284034, 22568068, 45136136, 2499413531, 4998827062, 9997654124, 19995308248]

約数ペア:

[(1, 19995308248), (2, 9997654124), (4, 4998827062), (8, 2499413531), (443, 45136136), (886, 22568068), (1772, 11284034), (3544, 5642017)]