18856363456

素因数分解:

$2^6\times 7^2\times {\mathrm{191}}^1\times {\mathrm{31481}}^1$

素因数の和:31698

約数の個数: 84

約数和(自身を含む): 43756454016

約数和(自身を除く): 24900090560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 191, 196, 224, 382, 392, 448, 764, 784, 1337, 1528, 1568, 2674, 3056, 3136, 5348, 6112, 9359, 10696, 12224, 18718, 21392, 31481, 37436, 42784, 62962, 74872, 85568, 125924, 149744, 220367, 251848, 299488, 440734, 503696, 598976, 881468, 1007392, 1542569, 1762936, 2014784, 3085138, 3525872, 6012871, 6170276, 7051744, 12025742, 12340552, 14103488, 24051484, 24681104, 42090097, 48102968, 49362208, 84180194, 96205936, 98724416, 168360388, 192411872, 294630679, 336720776, 384823744, 589261358, 673441552, 1178522716, 1346883104, 2357045432, 2693766208, 4714090864, 9428181728, 18856363456]

約数ペア:

[(1, 18856363456), (2, 9428181728), (4, 4714090864), (7, 2693766208), (8, 2357045432), (14, 1346883104), (16, 1178522716), (28, 673441552), (32, 589261358), (49, 384823744), (56, 336720776), (64, 294630679), (98, 192411872), (112, 168360388), (191, 98724416), (196, 96205936), (224, 84180194), (382, 49362208), (392, 48102968), (448, 42090097), (764, 24681104), (784, 24051484), (1337, 14103488), (1528, 12340552), (1568, 12025742), (2674, 7051744), (3056, 6170276), (3136, 6012871), (5348, 3525872), (6112, 3085138), (9359, 2014784), (10696, 1762936), (12224, 1542569), (18718, 1007392), (21392, 881468), (31481, 598976), (37436, 503696), (42784, 440734), (62962, 299488), (74872, 251848), (85568, 220367), (125924, 149744)]