19417684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 40501440

約数和(自身を除く): 21083756

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 83, 143, 166, 286, 332, 409, 572, 818, 913, 1079, 1636, 1826, 2158, 3652, 4316, 4499, 5317, 8998, 10634, 11869, 17996, 21268, 23738, 33947, 47476, 58487, 67894, 116974, 135788, 233948, 373417, 441311, 746834, 882622, 1493668, 1765244, 4854421, 9708842, 19417684]

約数ペア:

[(1, 19417684), (2, 9708842), (4, 4854421), (11, 1765244), (13, 1493668), (22, 882622), (26, 746834), (44, 441311), (52, 373417), (83, 233948), (143, 135788), (166, 116974), (286, 67894), (332, 58487), (409, 47476), (572, 33947), (818, 23738), (913, 21268), (1079, 17996), (1636, 11869), (1826, 10634), (2158, 8998), (3652, 5317), (4316, 4499)]