20181963776

素因数分解:

$2^{10}\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{839}}^1$

素因数の和:1024

約数の個数: 132

約数和(自身を含む): 44053077600

約数和(自身を除く): 23871113824

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 139, 169, 208, 256, 278, 338, 416, 512, 556, 676, 832, 839, 1024, 1112, 1352, 1664, 1678, 1807, 2224, 2704, 3328, 3356, 3614, 4448, 5408, 6656, 6712, 7228, 8896, 10816, 10907, 13312, 13424, 14456, 17792, 21632, 21814, 23491, 26848, 28912, 35584, 43264, 43628, 46982, 53696, 57824, 71168, 86528, 87256, 93964, 107392, 115648, 116621, 141791, 142336, 173056, 174512, 187928, 214784, 231296, 233242, 283582, 349024, 375856, 429568, 462592, 466484, 567164, 698048, 751712, 859136, 925184, 932968, 1134328, 1396096, 1503424, 1516073, 1850368, 1865936, 2268656, 2792192, 3006848, 3032146, 3731872, 4537312, 5584384, 6013696, 6064292, 7463744, 9074624, 11168768, 12027392, 12128584, 14927488, 18149248, 19708949, 24054784, 24257168, 29854976, 36298496, 39417898, 48514336, 59709952, 72596992, 78835796, 97028672, 119419904, 145193984, 157671592, 194057344, 315343184, 388114688, 630686368, 776229376, 1261372736, 1552458752, 2522745472, 5045490944, 10090981888, 20181963776]

約数ペア:

[(1, 20181963776), (2, 10090981888), (4, 5045490944), (8, 2522745472), (13, 1552458752), (16, 1261372736), (26, 776229376), (32, 630686368), (52, 388114688), (64, 315343184), (104, 194057344), (128, 157671592), (139, 145193984), (169, 119419904), (208, 97028672), (256, 78835796), (278, 72596992), (338, 59709952), (416, 48514336), (512, 39417898), (556, 36298496), (676, 29854976), (832, 24257168), (839, 24054784), (1024, 19708949), (1112, 18149248), (1352, 14927488), (1664, 12128584), (1678, 12027392), (1807, 11168768), (2224, 9074624), (2704, 7463744), (3328, 6064292), (3356, 6013696), (3614, 5584384), (4448, 4537312), (5408, 3731872), (6656, 3032146), (6712, 3006848), (7228, 2792192), (8896, 2268656), (10816, 1865936), (10907, 1850368), (13312, 1516073), (13424, 1503424), (14456, 1396096), (17792, 1134328), (21632, 932968), (21814, 925184), (23491, 859136), (26848, 751712), (28912, 698048), (35584, 567164), (43264, 466484), (43628, 462592), (46982, 429568), (53696, 375856), (57824, 349024), (71168, 283582), (86528, 233242), (87256, 231296), (93964, 214784), (107392, 187928), (115648, 174512), (116621, 173056), (141791, 142336)]