19406486

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2731}}^1$

素因数の和:2780

約数の個数: 32

約数和(自身を含む): 35406720

約数和(自身を除く): 16000234

約数列:

[1, 2, 11, 17, 19, 22, 34, 38, 187, 209, 323, 374, 418, 646, 2731, 3553, 5462, 7106, 30041, 46427, 51889, 60082, 92854, 103778, 510697, 570779, 882113, 1021394, 1141558, 1764226, 9703243, 19406486]

約数ペア:

[(1, 19406486), (2, 9703243), (11, 1764226), (17, 1141558), (19, 1021394), (22, 882113), (34, 570779), (38, 510697), (187, 103778), (209, 92854), (323, 60082), (374, 51889), (418, 46427), (646, 30041), (2731, 7106), (3553, 5462)]