18531583

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:187

約数の個数: 32

約数和(自身を含む): 23592960

約数和(自身を除く): 5061377

約数列:

[1, 7, 23, 31, 47, 79, 161, 217, 329, 553, 713, 1081, 1457, 1817, 2449, 3713, 4991, 7567, 10199, 12719, 17143, 25991, 33511, 56327, 85399, 115103, 234577, 394289, 597793, 805721, 2647369, 18531583]

約数ペア:

[(1, 18531583), (7, 2647369), (23, 805721), (31, 597793), (47, 394289), (79, 234577), (161, 115103), (217, 85399), (329, 56327), (553, 33511), (713, 25991), (1081, 17143), (1457, 12719), (1817, 10199), (2449, 7567), (3713, 4991)]