19091918

素因数分解:

$2^1\times {\mathrm{17}}^3\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:149

約数の個数: 32

約数和(自身を含む): 31946400

約数和(自身を除く): 12854482

約数列:

[1, 2, 17, 29, 34, 58, 67, 134, 289, 493, 578, 986, 1139, 1943, 2278, 3886, 4913, 8381, 9826, 16762, 19363, 33031, 38726, 66062, 142477, 284954, 329171, 561527, 658342, 1123054, 9545959, 19091918]

約数ペア:

[(1, 19091918), (2, 9545959), (17, 1123054), (29, 658342), (34, 561527), (58, 329171), (67, 284954), (134, 142477), (289, 66062), (493, 38726), (578, 33031), (986, 19363), (1139, 16762), (1943, 9826), (2278, 8381), (3886, 4913)]