198021890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1800199}}^1$

素因数の和:1800217

約数の個数: 16

約数和(自身を含む): 388843200

約数和(自身を除く): 190821310

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1800199, 3600398, 9000995, 18001990, 19802189, 39604378, 99010945, 198021890]

約数ペア:

[(1, 198021890), (2, 99010945), (5, 39604378), (10, 19802189), (11, 18001990), (22, 9000995), (55, 3600398), (110, 1800199)]