18993843

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1109}}^1$

素因数の和:1299

約数の個数: 24

約数和(自身を含む): 30129840

約数和(自身を除く): 11135997

約数列:

[1, 3, 9, 11, 33, 99, 173, 519, 1109, 1557, 1903, 3327, 5709, 9981, 12199, 17127, 36597, 109791, 191857, 575571, 1726713, 2110427, 6331281, 18993843]

約数ペア:

[(1, 18993843), (3, 6331281), (9, 2110427), (11, 1726713), (33, 575571), (99, 191857), (173, 109791), (519, 36597), (1109, 17127), (1557, 12199), (1903, 9981), (3327, 5709)]