18565974648

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{639853}}^1$

素因数の和:639909

約数の個数: 96

約数和(自身を含む): 55897645440

約数和(自身を除く): 37331670792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 31, 36, 39, 52, 62, 72, 78, 93, 104, 117, 124, 156, 186, 234, 248, 279, 312, 372, 403, 468, 558, 744, 806, 936, 1116, 1209, 1612, 2232, 2418, 3224, 3627, 4836, 7254, 9672, 14508, 29016, 639853, 1279706, 1919559, 2559412, 3839118, 5118824, 5758677, 7678236, 8318089, 11517354, 15356472, 16636178, 19835443, 23034708, 24954267, 33272356, 39670886, 46069416, 49908534, 59506329, 66544712, 74862801, 79341772, 99817068, 119012658, 149725602, 158683544, 178518987, 199634136, 238025316, 257860759, 299451204, 357037974, 476050632, 515721518, 598902408, 714075948, 773582277, 1031443036, 1428151896, 1547164554, 2062886072, 2320746831, 3094329108, 4641493662, 6188658216, 9282987324, 18565974648]

約数ペア:

[(1, 18565974648), (2, 9282987324), (3, 6188658216), (4, 4641493662), (6, 3094329108), (8, 2320746831), (9, 2062886072), (12, 1547164554), (13, 1428151896), (18, 1031443036), (24, 773582277), (26, 714075948), (31, 598902408), (36, 515721518), (39, 476050632), (52, 357037974), (62, 299451204), (72, 257860759), (78, 238025316), (93, 199634136), (104, 178518987), (117, 158683544), (124, 149725602), (156, 119012658), (186, 99817068), (234, 79341772), (248, 74862801), (279, 66544712), (312, 59506329), (372, 49908534), (403, 46069416), (468, 39670886), (558, 33272356), (744, 24954267), (806, 23034708), (936, 19835443), (1116, 16636178), (1209, 15356472), (1612, 11517354), (2232, 8318089), (2418, 7678236), (3224, 5758677), (3627, 5118824), (4836, 3839118), (7254, 2559412), (9672, 1919559), (14508, 1279706), (29016, 639853)]