19931450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:228

約数の個数: 96

約数和(自身を含む): 47996928

約数和(自身を除く): 28065478

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 31, 35, 50, 55, 62, 70, 77, 110, 154, 155, 167, 175, 217, 275, 310, 334, 341, 350, 385, 434, 550, 682, 770, 775, 835, 1085, 1169, 1550, 1670, 1705, 1837, 1925, 2170, 2338, 2387, 3410, 3674, 3850, 4175, 4774, 5177, 5425, 5845, 8350, 8525, 9185, 10354, 10850, 11690, 11935, 12859, 17050, 18370, 23870, 25718, 25885, 29225, 36239, 45925, 51770, 56947, 58450, 59675, 64295, 72478, 91850, 113894, 119350, 128590, 129425, 181195, 258850, 284735, 321475, 362390, 398629, 569470, 642950, 797258, 905975, 1423675, 1811950, 1993145, 2847350, 3986290, 9965725, 19931450]

約数ペア:

[(1, 19931450), (2, 9965725), (5, 3986290), (7, 2847350), (10, 1993145), (11, 1811950), (14, 1423675), (22, 905975), (25, 797258), (31, 642950), (35, 569470), (50, 398629), (55, 362390), (62, 321475), (70, 284735), (77, 258850), (110, 181195), (154, 129425), (155, 128590), (167, 119350), (175, 113894), (217, 91850), (275, 72478), (310, 64295), (334, 59675), (341, 58450), (350, 56947), (385, 51770), (434, 45925), (550, 36239), (682, 29225), (770, 25885), (775, 25718), (835, 23870), (1085, 18370), (1169, 17050), (1550, 12859), (1670, 11935), (1705, 11690), (1837, 10850), (1925, 10354), (2170, 9185), (2338, 8525), (2387, 8350), (3410, 5845), (3674, 5425), (3850, 5177), (4175, 4774)]