18997378

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{17239}}^1$

素因数の和:17289

約数の個数: 16

約数和(自身を含む): 31032000

約数和(自身を除く): 12034622

約数列:

[1, 2, 19, 29, 38, 58, 551, 1102, 17239, 34478, 327541, 499931, 655082, 999862, 9498689, 18997378]

約数ペア:

[(1, 18997378), (2, 9498689), (19, 999862), (29, 655082), (38, 499931), (58, 327541), (551, 34478), (1102, 17239)]