9318220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 20901888

約数和(自身を除く): 11583668

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 431, 460, 470, 862, 940, 1081, 1724, 2155, 2162, 4310, 4324, 5405, 8620, 9913, 10810, 19826, 20257, 21620, 39652, 40514, 49565, 81028, 99130, 101285, 198260, 202570, 405140, 465911, 931822, 1863644, 2329555, 4659110, 9318220]

約数ペア:

[(1, 9318220), (2, 4659110), (4, 2329555), (5, 1863644), (10, 931822), (20, 465911), (23, 405140), (46, 202570), (47, 198260), (92, 101285), (94, 99130), (115, 81028), (188, 49565), (230, 40514), (235, 39652), (431, 21620), (460, 20257), (470, 19826), (862, 10810), (940, 9913), (1081, 8620), (1724, 5405), (2155, 4324), (2162, 4310)]