19984876

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{523}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 36049104

約数和(自身を除く): 16064228

約数列:

[1, 2, 4, 41, 82, 164, 233, 466, 523, 932, 1046, 2092, 9553, 19106, 21443, 38212, 42886, 85772, 121859, 243718, 487436, 4996219, 9992438, 19984876]

約数ペア:

[(1, 19984876), (2, 9992438), (4, 4996219), (41, 487436), (82, 243718), (164, 121859), (233, 85772), (466, 42886), (523, 38212), (932, 21443), (1046, 19106), (2092, 9553)]