18467384

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 39372480

約数和(自身を除く): 20905096

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 61, 71, 82, 104, 122, 142, 164, 244, 284, 328, 488, 533, 568, 793, 923, 1066, 1586, 1846, 2132, 2501, 2911, 3172, 3692, 4264, 4331, 5002, 5822, 6344, 7384, 8662, 10004, 11644, 17324, 20008, 23288, 32513, 34648, 37843, 56303, 65026, 75686, 112606, 130052, 151372, 177571, 225212, 260104, 302744, 355142, 450424, 710284, 1420568, 2308423, 4616846, 9233692, 18467384]

約数ペア:

[(1, 18467384), (2, 9233692), (4, 4616846), (8, 2308423), (13, 1420568), (26, 710284), (41, 450424), (52, 355142), (61, 302744), (71, 260104), (82, 225212), (104, 177571), (122, 151372), (142, 130052), (164, 112606), (244, 75686), (284, 65026), (328, 56303), (488, 37843), (533, 34648), (568, 32513), (793, 23288), (923, 20008), (1066, 17324), (1586, 11644), (1846, 10004), (2132, 8662), (2501, 7384), (2911, 6344), (3172, 5822), (3692, 5002), (4264, 4331)]