19659456

素因数分解:

$2^6\times 3^3\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:419

約数の個数: 112

約数和(自身を含む): 59822080

約数和(自身を除く): 40162624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 144, 186, 192, 216, 248, 279, 288, 367, 372, 432, 496, 558, 576, 734, 744, 837, 864, 992, 1101, 1116, 1468, 1488, 1674, 1728, 1984, 2202, 2232, 2936, 2976, 3303, 3348, 4404, 4464, 5872, 5952, 6606, 6696, 8808, 8928, 9909, 11377, 11744, 13212, 13392, 17616, 17856, 19818, 22754, 23488, 26424, 26784, 34131, 35232, 39636, 45508, 52848, 53568, 68262, 70464, 79272, 91016, 102393, 105696, 136524, 158544, 182032, 204786, 211392, 273048, 307179, 317088, 364064, 409572, 546096, 614358, 634176, 728128, 819144, 1092192, 1228716, 1638288, 2184384, 2457432, 3276576, 4914864, 6553152, 9829728, 19659456]

約数ペア:

[(1, 19659456), (2, 9829728), (3, 6553152), (4, 4914864), (6, 3276576), (8, 2457432), (9, 2184384), (12, 1638288), (16, 1228716), (18, 1092192), (24, 819144), (27, 728128), (31, 634176), (32, 614358), (36, 546096), (48, 409572), (54, 364064), (62, 317088), (64, 307179), (72, 273048), (93, 211392), (96, 204786), (108, 182032), (124, 158544), (144, 136524), (186, 105696), (192, 102393), (216, 91016), (248, 79272), (279, 70464), (288, 68262), (367, 53568), (372, 52848), (432, 45508), (496, 39636), (558, 35232), (576, 34131), (734, 26784), (744, 26424), (837, 23488), (864, 22754), (992, 19818), (1101, 17856), (1116, 17616), (1468, 13392), (1488, 13212), (1674, 11744), (1728, 11377), (1984, 9909), (2202, 8928), (2232, 8808), (2936, 6696), (2976, 6606), (3303, 5952), (3348, 5872), (4404, 4464)]