18555516

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:248

約数の個数: 108

約数和(自身を含む): 55729128

約数和(自身を除く): 37173612

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 67, 84, 98, 126, 134, 147, 157, 196, 201, 252, 268, 294, 314, 402, 441, 469, 471, 588, 603, 628, 804, 882, 938, 942, 1099, 1206, 1407, 1413, 1764, 1876, 1884, 2198, 2412, 2814, 2826, 3283, 3297, 4221, 4396, 5628, 5652, 6566, 6594, 7693, 8442, 9849, 9891, 10519, 13132, 13188, 15386, 16884, 19698, 19782, 21038, 23079, 29547, 30772, 31557, 39396, 39564, 42076, 46158, 59094, 63114, 69237, 73633, 92316, 94671, 118188, 126228, 138474, 147266, 189342, 220899, 276948, 294532, 378684, 441798, 515431, 662697, 883596, 1030862, 1325394, 1546293, 2061724, 2650788, 3092586, 4638879, 6185172, 9277758, 18555516]

約数ペア:

[(1, 18555516), (2, 9277758), (3, 6185172), (4, 4638879), (6, 3092586), (7, 2650788), (9, 2061724), (12, 1546293), (14, 1325394), (18, 1030862), (21, 883596), (28, 662697), (36, 515431), (42, 441798), (49, 378684), (63, 294532), (67, 276948), (84, 220899), (98, 189342), (126, 147266), (134, 138474), (147, 126228), (157, 118188), (196, 94671), (201, 92316), (252, 73633), (268, 69237), (294, 63114), (314, 59094), (402, 46158), (441, 42076), (469, 39564), (471, 39396), (588, 31557), (603, 30772), (628, 29547), (804, 23079), (882, 21038), (938, 19782), (942, 19698), (1099, 16884), (1206, 15386), (1407, 13188), (1413, 13132), (1764, 10519), (1876, 9891), (1884, 9849), (2198, 8442), (2412, 7693), (2814, 6594), (2826, 6566), (3283, 5652), (3297, 5628), (4221, 4396)]