199989218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{18899}}^1$

素因数の和:18962

約数の個数: 32

約数和(自身を含む): 361972800

約数和(自身を除く): 161983582

約数列:

[1, 2, 11, 13, 22, 26, 37, 74, 143, 286, 407, 481, 814, 962, 5291, 10582, 18899, 37798, 207889, 245687, 415778, 491374, 699263, 1398526, 2702557, 5405114, 7691893, 9090419, 15383786, 18180838, 99994609, 199989218]

約数ペア:

[(1, 199989218), (2, 99994609), (11, 18180838), (13, 15383786), (22, 9090419), (26, 7691893), (37, 5405114), (74, 2702557), (143, 1398526), (286, 699263), (407, 491374), (481, 415778), (814, 245687), (962, 207889), (5291, 37798), (10582, 18899)]