18607347

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:141

約数の個数: 64

約数和(自身を含む): 32440320

約数和(自身を除く): 13832973

約数列:

[1, 3, 9, 11, 27, 31, 33, 43, 47, 93, 99, 129, 141, 279, 297, 341, 387, 423, 473, 517, 837, 1023, 1161, 1269, 1333, 1419, 1457, 1551, 2021, 3069, 3999, 4257, 4371, 4653, 6063, 9207, 11997, 12771, 13113, 13959, 14663, 16027, 18189, 22231, 35991, 39339, 43989, 48081, 54567, 62651, 66693, 131967, 144243, 187953, 200079, 395901, 432729, 563859, 600237, 689161, 1691577, 2067483, 6202449, 18607347]

約数ペア:

[(1, 18607347), (3, 6202449), (9, 2067483), (11, 1691577), (27, 689161), (31, 600237), (33, 563859), (43, 432729), (47, 395901), (93, 200079), (99, 187953), (129, 144243), (141, 131967), (279, 66693), (297, 62651), (341, 54567), (387, 48081), (423, 43989), (473, 39339), (517, 35991), (837, 22231), (1023, 18189), (1161, 16027), (1269, 14663), (1333, 13959), (1419, 13113), (1457, 12771), (1551, 11997), (2021, 9207), (3069, 6063), (3999, 4653), (4257, 4371)]