19993941

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4297}}^1$

素因数の和:4361

約数の個数: 24

約数和(自身を含む): 32183424

約数和(自身を除く): 12189483

約数列:

[1, 3, 9, 11, 33, 47, 99, 141, 423, 517, 1551, 4297, 4653, 12891, 38673, 47267, 141801, 201959, 425403, 605877, 1817631, 2221549, 6664647, 19993941]

約数ペア:

[(1, 19993941), (3, 6664647), (9, 2221549), (11, 1817631), (33, 605877), (47, 425403), (99, 201959), (141, 141801), (423, 47267), (517, 38673), (1551, 12891), (4297, 4653)]