19667175

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 36664320

約数和(自身を除く): 16997145

約数列:

[1, 3, 5, 11, 15, 25, 31, 33, 55, 75, 93, 155, 165, 275, 341, 465, 769, 775, 825, 1023, 1705, 2307, 2325, 3845, 5115, 8459, 8525, 11535, 19225, 23839, 25377, 25575, 42295, 57675, 71517, 119195, 126885, 211475, 262229, 357585, 595975, 634425, 786687, 1311145, 1787925, 3933435, 6555725, 19667175]

約数ペア:

[(1, 19667175), (3, 6555725), (5, 3933435), (11, 1787925), (15, 1311145), (25, 786687), (31, 634425), (33, 595975), (55, 357585), (75, 262229), (93, 211475), (155, 126885), (165, 119195), (275, 71517), (341, 57675), (465, 42295), (769, 25575), (775, 25377), (825, 23839), (1023, 19225), (1705, 11535), (2307, 8525), (2325, 8459), (3845, 5115)]