18417861

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2953}}^1$

素因数の和:2983

約数の個数: 40

約数和(自身を含む): 34313664

約数和(自身を除く): 15895803

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 2953, 6237, 8859, 20671, 26577, 32483, 62013, 79731, 97449, 186039, 227381, 239193, 292347, 558117, 682143, 877041, 1674351, 2046429, 2631123, 6139287, 18417861]

約数ペア:

[(1, 18417861), (3, 6139287), (7, 2631123), (9, 2046429), (11, 1674351), (21, 877041), (27, 682143), (33, 558117), (63, 292347), (77, 239193), (81, 227381), (99, 186039), (189, 97449), (231, 79731), (297, 62013), (567, 32483), (693, 26577), (891, 20671), (2079, 8859), (2953, 6237)]