18916304

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4673}}^1$

素因数の和:4715

約数の個数: 40

約数和(自身を含む): 41729472

約数和(自身を除く): 22813168

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 184, 253, 368, 506, 1012, 2024, 4048, 4673, 9346, 18692, 37384, 51403, 74768, 102806, 107479, 205612, 214958, 411224, 429916, 822448, 859832, 1182269, 1719664, 2364538, 4729076, 9458152, 18916304]

約数ペア:

[(1, 18916304), (2, 9458152), (4, 4729076), (8, 2364538), (11, 1719664), (16, 1182269), (22, 859832), (23, 822448), (44, 429916), (46, 411224), (88, 214958), (92, 205612), (176, 107479), (184, 102806), (253, 74768), (368, 51403), (506, 37384), (1012, 18692), (2024, 9346), (4048, 4673)]