1918996864

素因数分解:

$2^7\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{1481}}^1$

素因数の和:1739

約数の個数: 64

約数和(自身を含む): 3918170880

約数和(自身を除く): 1999174016

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 191, 212, 382, 424, 764, 848, 1481, 1528, 1696, 2962, 3056, 3392, 5924, 6112, 6784, 10123, 11848, 12224, 20246, 23696, 24448, 40492, 47392, 78493, 80984, 94784, 156986, 161968, 189568, 282871, 313972, 323936, 565742, 627944, 647872, 1131484, 1255888, 1295744, 2262968, 2511776, 4525936, 5023552, 9051872, 10047104, 14992163, 18103744, 29984326, 36207488, 59968652, 119937304, 239874608, 479749216, 959498432, 1918996864]

約数ペア:

[(1, 1918996864), (2, 959498432), (4, 479749216), (8, 239874608), (16, 119937304), (32, 59968652), (53, 36207488), (64, 29984326), (106, 18103744), (128, 14992163), (191, 10047104), (212, 9051872), (382, 5023552), (424, 4525936), (764, 2511776), (848, 2262968), (1481, 1295744), (1528, 1255888), (1696, 1131484), (2962, 647872), (3056, 627944), (3392, 565742), (5924, 323936), (6112, 313972), (6784, 282871), (10123, 189568), (11848, 161968), (12224, 156986), (20246, 94784), (23696, 80984), (24448, 78493), (40492, 47392)]