18322480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:514

約数の個数: 80

約数和(自身を含む): 47568384

約数和(自身を除く): 29245904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 440, 443, 470, 517, 752, 880, 886, 940, 1034, 1772, 1880, 2068, 2215, 2585, 3544, 3760, 4136, 4430, 4873, 5170, 7088, 8272, 8860, 9746, 10340, 17720, 19492, 20680, 20821, 24365, 35440, 38984, 41360, 41642, 48730, 77968, 83284, 97460, 104105, 166568, 194920, 208210, 229031, 333136, 389840, 416420, 458062, 832840, 916124, 1145155, 1665680, 1832248, 2290310, 3664496, 4580620, 9161240, 18322480]

約数ペア:

[(1, 18322480), (2, 9161240), (4, 4580620), (5, 3664496), (8, 2290310), (10, 1832248), (11, 1665680), (16, 1145155), (20, 916124), (22, 832840), (40, 458062), (44, 416420), (47, 389840), (55, 333136), (80, 229031), (88, 208210), (94, 194920), (110, 166568), (176, 104105), (188, 97460), (220, 83284), (235, 77968), (376, 48730), (440, 41642), (443, 41360), (470, 38984), (517, 35440), (752, 24365), (880, 20821), (886, 20680), (940, 19492), (1034, 17720), (1772, 10340), (1880, 9746), (2068, 8860), (2215, 8272), (2585, 7088), (3544, 5170), (3760, 4873), (4136, 4430)]