18915663648

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{4021187}}^1$

素因数の和:4021214

約数の個数: 72

約数和(自身を含む): 57760344432

約数和(自身を除く): 38844680784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4704, 4021187, 8042374, 12063561, 16084748, 24127122, 28148309, 32169496, 48254244, 56296618, 64338992, 84444927, 96508488, 112593236, 128677984, 168889854, 193016976, 197038163, 225186472, 337779708, 386033952, 394076326, 450372944, 591114489, 675559416, 788152652, 900745888, 1182228978, 1351118832, 1576305304, 2364457956, 2702237664, 3152610608, 4728915912, 6305221216, 9457831824, 18915663648]

約数ペア:

[(1, 18915663648), (2, 9457831824), (3, 6305221216), (4, 4728915912), (6, 3152610608), (7, 2702237664), (8, 2364457956), (12, 1576305304), (14, 1351118832), (16, 1182228978), (21, 900745888), (24, 788152652), (28, 675559416), (32, 591114489), (42, 450372944), (48, 394076326), (49, 386033952), (56, 337779708), (84, 225186472), (96, 197038163), (98, 193016976), (112, 168889854), (147, 128677984), (168, 112593236), (196, 96508488), (224, 84444927), (294, 64338992), (336, 56296618), (392, 48254244), (588, 32169496), (672, 28148309), (784, 24127122), (1176, 16084748), (1568, 12063561), (2352, 8042374), (4704, 4021187)]