19505728

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:395

約数の個数: 56

約数和(自身を含む): 42793920

約数和(自身を除く): 23288192

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 103, 176, 206, 269, 352, 412, 538, 704, 824, 1076, 1133, 1648, 2152, 2266, 2959, 3296, 4304, 4532, 5918, 6592, 8608, 9064, 11836, 17216, 18128, 23672, 27707, 36256, 47344, 55414, 72512, 94688, 110828, 189376, 221656, 304777, 443312, 609554, 886624, 1219108, 1773248, 2438216, 4876432, 9752864, 19505728]

約数ペア:

[(1, 19505728), (2, 9752864), (4, 4876432), (8, 2438216), (11, 1773248), (16, 1219108), (22, 886624), (32, 609554), (44, 443312), (64, 304777), (88, 221656), (103, 189376), (176, 110828), (206, 94688), (269, 72512), (352, 55414), (412, 47344), (538, 36256), (704, 27707), (824, 23672), (1076, 18128), (1133, 17216), (1648, 11836), (2152, 9064), (2266, 8608), (2959, 6592), (3296, 5918), (4304, 4532)]