19005290199

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{911}}^1$

素因数の和:1138

約数の個数: 128

約数和(自身を含む): 35132866560

約数和(自身を除く): 16127576361

約数列:

[1, 3, 7, 9, 17, 21, 27, 43, 51, 63, 119, 129, 151, 153, 189, 301, 357, 387, 453, 459, 731, 903, 911, 1057, 1071, 1161, 1359, 2193, 2567, 2709, 2733, 3171, 3213, 4077, 5117, 6377, 6493, 6579, 7701, 8127, 8199, 9513, 15351, 15487, 17969, 19131, 19479, 19737, 23103, 24597, 28539, 39173, 45451, 46053, 46461, 53907, 57393, 58437, 69309, 108409, 110381, 117519, 136353, 137561, 138159, 139383, 161721, 172179, 175311, 274211, 325227, 331143, 352557, 409059, 412683, 418149, 485163, 665941, 772667, 822633, 962927, 975681, 993429, 1057671, 1227177, 1238049, 1997823, 2318001, 2338537, 2467899, 2888781, 2927043, 2980287, 3714147, 4661587, 5915123, 5993469, 6954003, 7015611, 7403697, 8666343, 13984761, 16369759, 17745369, 17980407, 20862009, 21046833, 25999029, 41405861, 41954283, 49109277, 53236107, 63140499, 100557091, 124217583, 125862849, 147327831, 159708321, 301671273, 372652749, 441983493, 703899637, 905013819, 1117958247, 2111698911, 2715041457, 6335096733, 19005290199]

約数ペア:

[(1, 19005290199), (3, 6335096733), (7, 2715041457), (9, 2111698911), (17, 1117958247), (21, 905013819), (27, 703899637), (43, 441983493), (51, 372652749), (63, 301671273), (119, 159708321), (129, 147327831), (151, 125862849), (153, 124217583), (189, 100557091), (301, 63140499), (357, 53236107), (387, 49109277), (453, 41954283), (459, 41405861), (731, 25999029), (903, 21046833), (911, 20862009), (1057, 17980407), (1071, 17745369), (1161, 16369759), (1359, 13984761), (2193, 8666343), (2567, 7403697), (2709, 7015611), (2733, 6954003), (3171, 5993469), (3213, 5915123), (4077, 4661587), (5117, 3714147), (6377, 2980287), (6493, 2927043), (6579, 2888781), (7701, 2467899), (8127, 2338537), (8199, 2318001), (9513, 1997823), (15351, 1238049), (15487, 1227177), (17969, 1057671), (19131, 993429), (19479, 975681), (19737, 962927), (23103, 822633), (24597, 772667), (28539, 665941), (39173, 485163), (45451, 418149), (46053, 412683), (46461, 409059), (53907, 352557), (57393, 331143), (58437, 325227), (69309, 274211), (108409, 175311), (110381, 172179), (117519, 161721), (136353, 139383), (137561, 138159)]