19868288

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 43917120

約数和(自身を除く): 24048832

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 103, 128, 137, 176, 206, 274, 352, 412, 548, 704, 824, 1096, 1133, 1408, 1507, 1648, 2192, 2266, 3014, 3296, 4384, 4532, 6028, 6592, 8768, 9064, 12056, 13184, 14111, 17536, 18128, 24112, 28222, 36256, 48224, 56444, 72512, 96448, 112888, 145024, 155221, 192896, 225776, 310442, 451552, 620884, 903104, 1241768, 1806208, 2483536, 4967072, 9934144, 19868288]

約数ペア:

[(1, 19868288), (2, 9934144), (4, 4967072), (8, 2483536), (11, 1806208), (16, 1241768), (22, 903104), (32, 620884), (44, 451552), (64, 310442), (88, 225776), (103, 192896), (128, 155221), (137, 145024), (176, 112888), (206, 96448), (274, 72512), (352, 56444), (412, 48224), (548, 36256), (704, 28222), (824, 24112), (1096, 18128), (1133, 17536), (1408, 14111), (1507, 13184), (1648, 12056), (2192, 9064), (2266, 8768), (3014, 6592), (3296, 6028), (4384, 4532)]