19942065

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1033}}^1$

素因数の和:1071

約数の個数: 64

約数和(自身を含む): 41690880

約数和(自身を除く): 21748815

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 39, 45, 55, 65, 99, 117, 135, 143, 165, 195, 297, 351, 429, 495, 585, 715, 1033, 1287, 1485, 1755, 2145, 3099, 3861, 5165, 6435, 9297, 11363, 13429, 15495, 19305, 27891, 34089, 40287, 46485, 56815, 67145, 102267, 120861, 139455, 147719, 170445, 201435, 306801, 362583, 443157, 511335, 604305, 738595, 1329471, 1534005, 1812915, 2215785, 3988413, 6647355, 19942065]

約数ペア:

[(1, 19942065), (3, 6647355), (5, 3988413), (9, 2215785), (11, 1812915), (13, 1534005), (15, 1329471), (27, 738595), (33, 604305), (39, 511335), (45, 443157), (55, 362583), (65, 306801), (99, 201435), (117, 170445), (135, 147719), (143, 139455), (165, 120861), (195, 102267), (297, 67145), (351, 56815), (429, 46485), (495, 40287), (585, 34089), (715, 27891), (1033, 19305), (1287, 15495), (1485, 13429), (1755, 11363), (2145, 9297), (3099, 6435), (3861, 5165)]