19036325

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:99

約数の個数: 72

約数和(自身を含む): 31664640

約数和(自身を除く): 12628315

約数列:

[1, 5, 7, 11, 25, 29, 31, 35, 55, 77, 121, 145, 155, 175, 203, 217, 275, 319, 341, 385, 605, 725, 775, 847, 899, 1015, 1085, 1595, 1705, 1925, 2233, 2387, 3025, 3509, 3751, 4235, 4495, 5075, 5425, 6293, 7975, 8525, 9889, 11165, 11935, 17545, 18755, 21175, 22475, 24563, 26257, 31465, 49445, 55825, 59675, 69223, 87725, 93775, 108779, 122815, 131285, 157325, 247225, 346115, 543895, 614075, 656425, 761453, 1730575, 2719475, 3807265, 19036325]

約数ペア:

[(1, 19036325), (5, 3807265), (7, 2719475), (11, 1730575), (25, 761453), (29, 656425), (31, 614075), (35, 543895), (55, 346115), (77, 247225), (121, 157325), (145, 131285), (155, 122815), (175, 108779), (203, 93775), (217, 87725), (275, 69223), (319, 59675), (341, 55825), (385, 49445), (605, 31465), (725, 26257), (775, 24563), (847, 22475), (899, 21175), (1015, 18755), (1085, 17545), (1595, 11935), (1705, 11165), (1925, 9889), (2233, 8525), (2387, 7975), (3025, 6293), (3509, 5425), (3751, 5075), (4235, 4495)]