19985832

素因数分解:

$2^3\times 3^3\times {\mathrm{67}}^1\times {\mathrm{1381}}^1$

素因数の和:1463

約数の個数: 64

約数和(自身を含む): 56385600

約数和(自身を除く): 36399768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 67, 72, 108, 134, 201, 216, 268, 402, 536, 603, 804, 1206, 1381, 1608, 1809, 2412, 2762, 3618, 4143, 4824, 5524, 7236, 8286, 11048, 12429, 14472, 16572, 24858, 33144, 37287, 49716, 74574, 92527, 99432, 149148, 185054, 277581, 298296, 370108, 555162, 740216, 832743, 1110324, 1665486, 2220648, 2498229, 3330972, 4996458, 6661944, 9992916, 19985832]

約数ペア:

[(1, 19985832), (2, 9992916), (3, 6661944), (4, 4996458), (6, 3330972), (8, 2498229), (9, 2220648), (12, 1665486), (18, 1110324), (24, 832743), (27, 740216), (36, 555162), (54, 370108), (67, 298296), (72, 277581), (108, 185054), (134, 149148), (201, 99432), (216, 92527), (268, 74574), (402, 49716), (536, 37287), (603, 33144), (804, 24858), (1206, 16572), (1381, 14472), (1608, 12429), (1809, 11048), (2412, 8286), (2762, 7236), (3618, 5524), (4143, 4824)]