19111995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 41513472

約数和(自身を除く): 22401477

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 43, 45, 51, 63, 83, 85, 105, 119, 129, 153, 215, 249, 255, 301, 315, 357, 387, 415, 581, 595, 645, 731, 747, 765, 903, 1071, 1245, 1411, 1505, 1743, 1785, 1935, 2193, 2709, 2905, 3569, 3655, 3735, 4233, 4515, 5117, 5229, 5355, 6579, 7055, 8715, 9877, 10707, 10965, 12699, 13545, 15351, 17845, 21165, 24983, 25585, 26145, 29631, 32121, 32895, 46053, 49385, 53535, 60673, 63495, 74949, 76755, 88893, 124915, 148155, 160605, 182019, 224847, 230265, 303365, 374745, 424711, 444465, 546057, 910095, 1124235, 1274133, 2123555, 2730285, 3822399, 6370665, 19111995]

約数ペア:

[(1, 19111995), (3, 6370665), (5, 3822399), (7, 2730285), (9, 2123555), (15, 1274133), (17, 1124235), (21, 910095), (35, 546057), (43, 444465), (45, 424711), (51, 374745), (63, 303365), (83, 230265), (85, 224847), (105, 182019), (119, 160605), (129, 148155), (153, 124915), (215, 88893), (249, 76755), (255, 74949), (301, 63495), (315, 60673), (357, 53535), (387, 49385), (415, 46053), (581, 32895), (595, 32121), (645, 29631), (731, 26145), (747, 25585), (765, 24983), (903, 21165), (1071, 17845), (1245, 15351), (1411, 13545), (1505, 12699), (1743, 10965), (1785, 10707), (1935, 9877), (2193, 8715), (2709, 7055), (2905, 6579), (3569, 5355), (3655, 5229), (3735, 5117), (4233, 4515)]