18726768

素因数分解:

$2^4\times 3^3\times {\mathrm{67}}^1\times {\mathrm{647}}^1$

素因数の和:731

約数の個数: 80

約数和(自身を含む): 54639360

約数和(自身を除く): 35912592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 67, 72, 108, 134, 144, 201, 216, 268, 402, 432, 536, 603, 647, 804, 1072, 1206, 1294, 1608, 1809, 1941, 2412, 2588, 3216, 3618, 3882, 4824, 5176, 5823, 7236, 7764, 9648, 10352, 11646, 14472, 15528, 17469, 23292, 28944, 31056, 34938, 43349, 46584, 69876, 86698, 93168, 130047, 139752, 173396, 260094, 279504, 346792, 390141, 520188, 693584, 780282, 1040376, 1170423, 1560564, 2080752, 2340846, 3121128, 4681692, 6242256, 9363384, 18726768]

約数ペア:

[(1, 18726768), (2, 9363384), (3, 6242256), (4, 4681692), (6, 3121128), (8, 2340846), (9, 2080752), (12, 1560564), (16, 1170423), (18, 1040376), (24, 780282), (27, 693584), (36, 520188), (48, 390141), (54, 346792), (67, 279504), (72, 260094), (108, 173396), (134, 139752), (144, 130047), (201, 93168), (216, 86698), (268, 69876), (402, 46584), (432, 43349), (536, 34938), (603, 31056), (647, 28944), (804, 23292), (1072, 17469), (1206, 15528), (1294, 14472), (1608, 11646), (1809, 10352), (1941, 9648), (2412, 7764), (2588, 7236), (3216, 5823), (3618, 5176), (3882, 4824)]