18140436

素因数分解:

$2^2\times 3^6\times {\mathrm{6221}}^1$

素因数の和:6243

約数の個数: 42

約数和(自身を含む): 47604522

約数和(自身を除く): 29464086

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 6221, 12442, 18663, 24884, 37326, 55989, 74652, 111978, 167967, 223956, 335934, 503901, 671868, 1007802, 1511703, 2015604, 3023406, 4535109, 6046812, 9070218, 18140436]

約数ペア:

[(1, 18140436), (2, 9070218), (3, 6046812), (4, 4535109), (6, 3023406), (9, 2015604), (12, 1511703), (18, 1007802), (27, 671868), (36, 503901), (54, 335934), (81, 223956), (108, 167967), (162, 111978), (243, 74652), (324, 55989), (486, 37326), (729, 24884), (972, 18663), (1458, 12442), (2916, 6221)]