19776644

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15307}}^1$

素因数の和:15347

約数の個数: 24

約数和(自身を含む): 38576160

約数和(自身を除く): 18799516

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 15307, 30614, 61228, 260219, 290833, 520438, 581666, 1040876, 1163332, 4944161, 9888322, 19776644]

約数ペア:

[(1, 19776644), (2, 9888322), (4, 4944161), (17, 1163332), (19, 1040876), (34, 581666), (38, 520438), (68, 290833), (76, 260219), (323, 61228), (646, 30614), (1292, 15307)]