15667724140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2081}}^1\times {\mathrm{19813}}^1$

素因数の和:21922

約数の個数: 48

約数和(自身を含む): 34652308320

約数和(自身を除く): 18984584180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2081, 4162, 8324, 10405, 19813, 20810, 39539, 39626, 41620, 79078, 79252, 99065, 158156, 197695, 198130, 376447, 395390, 396260, 752894, 790780, 1505788, 1882235, 3764470, 7528940, 41230853, 82461706, 164923412, 206154265, 412308530, 783386207, 824617060, 1566772414, 3133544828, 3916931035, 7833862070, 15667724140]

約数ペア:

[(1, 15667724140), (2, 7833862070), (4, 3916931035), (5, 3133544828), (10, 1566772414), (19, 824617060), (20, 783386207), (38, 412308530), (76, 206154265), (95, 164923412), (190, 82461706), (380, 41230853), (2081, 7528940), (4162, 3764470), (8324, 1882235), (10405, 1505788), (19813, 790780), (20810, 752894), (39539, 396260), (39626, 395390), (41620, 376447), (79078, 198130), (79252, 197695), (99065, 158156)]