19869764

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{227}}^1\times {\mathrm{277}}^1$

素因数の和:587

約数の個数: 24

約数和(自身を含む): 35495040

約数和(自身を除く): 15625276

約数列:

[1, 2, 4, 79, 158, 227, 277, 316, 454, 554, 908, 1108, 17933, 21883, 35866, 43766, 62879, 71732, 87532, 125758, 251516, 4967441, 9934882, 19869764]

約数ペア:

[(1, 19869764), (2, 9934882), (4, 4967441), (79, 251516), (158, 125758), (227, 87532), (277, 71732), (316, 62879), (454, 43766), (554, 35866), (908, 21883), (1108, 17933)]