1868922888

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1\times {\mathrm{487}}^1$

素因数の和:987

約数の個数: 128

約数和(自身を含む): 5464350720

約数和(自身を除く): 3595427832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 53, 56, 84, 106, 159, 168, 212, 318, 371, 424, 431, 487, 636, 742, 862, 974, 1113, 1272, 1293, 1461, 1484, 1724, 1948, 2226, 2586, 2922, 2968, 3017, 3409, 3448, 3896, 4452, 5172, 5844, 6034, 6818, 8904, 9051, 10227, 10344, 11688, 12068, 13636, 18102, 20454, 22843, 24136, 25811, 27272, 36204, 40908, 45686, 51622, 68529, 72408, 77433, 81816, 91372, 103244, 137058, 154866, 159901, 180677, 182744, 206488, 209897, 274116, 309732, 319802, 361354, 419794, 479703, 542031, 548232, 619464, 629691, 639604, 722708, 839588, 959406, 1084062, 1259382, 1279208, 1445416, 1469279, 1679176, 1918812, 2168124, 2518764, 2938558, 3837624, 4336248, 4407837, 5037528, 5877116, 8815674, 11124541, 11754232, 17631348, 22249082, 33373623, 35262696, 44498164, 66747246, 77871787, 88996328, 133494492, 155743574, 233615361, 266988984, 311487148, 467230722, 622974296, 934461444, 1868922888]

約数ペア:

[(1, 1868922888), (2, 934461444), (3, 622974296), (4, 467230722), (6, 311487148), (7, 266988984), (8, 233615361), (12, 155743574), (14, 133494492), (21, 88996328), (24, 77871787), (28, 66747246), (42, 44498164), (53, 35262696), (56, 33373623), (84, 22249082), (106, 17631348), (159, 11754232), (168, 11124541), (212, 8815674), (318, 5877116), (371, 5037528), (424, 4407837), (431, 4336248), (487, 3837624), (636, 2938558), (742, 2518764), (862, 2168124), (974, 1918812), (1113, 1679176), (1272, 1469279), (1293, 1445416), (1461, 1279208), (1484, 1259382), (1724, 1084062), (1948, 959406), (2226, 839588), (2586, 722708), (2922, 639604), (2968, 629691), (3017, 619464), (3409, 548232), (3448, 542031), (3896, 479703), (4452, 419794), (5172, 361354), (5844, 319802), (6034, 309732), (6818, 274116), (8904, 209897), (9051, 206488), (10227, 182744), (10344, 180677), (11688, 159901), (12068, 154866), (13636, 137058), (18102, 103244), (20454, 91372), (22843, 81816), (24136, 77433), (25811, 72408), (27272, 68529), (36204, 51622), (40908, 45686)]