19715696

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1231}}^1$

素因数の和:1270

約数の個数: 80

約数和(自身を含む): 51330048

約数和(自身を除く): 31614352

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 1001, 1144, 1231, 1232, 1456, 2002, 2288, 2462, 4004, 4924, 8008, 8617, 9848, 13541, 16003, 16016, 17234, 19696, 27082, 32006, 34468, 54164, 64012, 68936, 94787, 108328, 112021, 128024, 137872, 176033, 189574, 216656, 224042, 256048, 352066, 379148, 448084, 704132, 758296, 896168, 1232231, 1408264, 1516592, 1792336, 2464462, 2816528, 4928924, 9857848, 19715696]

約数ペア:

[(1, 19715696), (2, 9857848), (4, 4928924), (7, 2816528), (8, 2464462), (11, 1792336), (13, 1516592), (14, 1408264), (16, 1232231), (22, 896168), (26, 758296), (28, 704132), (44, 448084), (52, 379148), (56, 352066), (77, 256048), (88, 224042), (91, 216656), (104, 189574), (112, 176033), (143, 137872), (154, 128024), (176, 112021), (182, 108328), (208, 94787), (286, 68936), (308, 64012), (364, 54164), (572, 34468), (616, 32006), (728, 27082), (1001, 19696), (1144, 17234), (1231, 16016), (1232, 16003), (1456, 13541), (2002, 9848), (2288, 8617), (2462, 8008), (4004, 4924)]