19995228

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{16831}}^1$

素因数の和:16855

約数の個数: 48

約数和(自身を含む): 56555520

約数和(自身を除く): 36560292

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 108, 132, 198, 297, 396, 594, 1188, 16831, 33662, 50493, 67324, 100986, 151479, 185141, 201972, 302958, 370282, 454437, 555423, 605916, 740564, 908874, 1110846, 1666269, 1817748, 2221692, 3332538, 4998807, 6665076, 9997614, 19995228]

約数ペア:

[(1, 19995228), (2, 9997614), (3, 6665076), (4, 4998807), (6, 3332538), (9, 2221692), (11, 1817748), (12, 1666269), (18, 1110846), (22, 908874), (27, 740564), (33, 605916), (36, 555423), (44, 454437), (54, 370282), (66, 302958), (99, 201972), (108, 185141), (132, 151479), (198, 100986), (297, 67324), (396, 50493), (594, 33662), (1188, 16831)]