18087752

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{499}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 35640000

約数和(自身を除く): 17552248

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 197, 394, 499, 788, 998, 1576, 1996, 3992, 4531, 9062, 11477, 18124, 22954, 36248, 45908, 91816, 98303, 196606, 393212, 786424, 2260969, 4521938, 9043876, 18087752]

約数ペア:

[(1, 18087752), (2, 9043876), (4, 4521938), (8, 2260969), (23, 786424), (46, 393212), (92, 196606), (184, 98303), (197, 91816), (394, 45908), (499, 36248), (788, 22954), (998, 18124), (1576, 11477), (1996, 9062), (3992, 4531)]