18821489792

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1\times {\mathrm{1451}}^1$

素因数の和:1970

約数の個数: 128

約数和(自身を含む): 44360110080

約数和(自身を除く): 25538620288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 467, 496, 868, 896, 934, 992, 1451, 1736, 1868, 1984, 2902, 3269, 3472, 3736, 3968, 5804, 6538, 6944, 7472, 10157, 11608, 13076, 13888, 14477, 14944, 20314, 23216, 26152, 27776, 28954, 29888, 40628, 44981, 46432, 52304, 57908, 59776, 81256, 89962, 92864, 101339, 104608, 115816, 162512, 179924, 185728, 202678, 209216, 231632, 314867, 325024, 359848, 405356, 418432, 463264, 629734, 650048, 677617, 719696, 810712, 926528, 1259468, 1300096, 1355234, 1439392, 1621424, 1853056, 2518936, 2710468, 2878784, 3242848, 4743319, 5037872, 5420936, 5757568, 6485696, 9486638, 10075744, 10841872, 12971392, 18973276, 20151488, 21006127, 21683744, 37946552, 40302976, 42012254, 43367488, 75893104, 84024508, 86734976, 147042889, 151786208, 168049016, 294085778, 303572416, 336098032, 588171556, 607144832, 672196064, 1176343112, 1344392128, 2352686224, 2688784256, 4705372448, 9410744896, 18821489792]

約数ペア:

[(1, 18821489792), (2, 9410744896), (4, 4705372448), (7, 2688784256), (8, 2352686224), (14, 1344392128), (16, 1176343112), (28, 672196064), (31, 607144832), (32, 588171556), (56, 336098032), (62, 303572416), (64, 294085778), (112, 168049016), (124, 151786208), (128, 147042889), (217, 86734976), (224, 84024508), (248, 75893104), (434, 43367488), (448, 42012254), (467, 40302976), (496, 37946552), (868, 21683744), (896, 21006127), (934, 20151488), (992, 18973276), (1451, 12971392), (1736, 10841872), (1868, 10075744), (1984, 9486638), (2902, 6485696), (3269, 5757568), (3472, 5420936), (3736, 5037872), (3968, 4743319), (5804, 3242848), (6538, 2878784), (6944, 2710468), (7472, 2518936), (10157, 1853056), (11608, 1621424), (13076, 1439392), (13888, 1355234), (14477, 1300096), (14944, 1259468), (20314, 926528), (23216, 810712), (26152, 719696), (27776, 677617), (28954, 650048), (29888, 629734), (40628, 463264), (44981, 418432), (46432, 405356), (52304, 359848), (57908, 325024), (59776, 314867), (81256, 231632), (89962, 209216), (92864, 202678), (101339, 185728), (104608, 179924), (115816, 162512)]