19762736

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:322

約数の個数: 80

約数和(自身を含む): 47496960

約数和(自身を除く): 27734224

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 37, 38, 56, 74, 76, 112, 133, 148, 152, 251, 259, 266, 296, 304, 502, 518, 532, 592, 703, 1004, 1036, 1064, 1406, 1757, 2008, 2072, 2128, 2812, 3514, 4016, 4144, 4769, 4921, 5624, 7028, 9287, 9538, 9842, 11248, 14056, 18574, 19076, 19684, 28112, 33383, 37148, 38152, 39368, 65009, 66766, 74296, 76304, 78736, 130018, 133532, 148592, 176453, 260036, 267064, 352906, 520072, 534128, 705812, 1040144, 1235171, 1411624, 2470342, 2823248, 4940684, 9881368, 19762736]

約数ペア:

[(1, 19762736), (2, 9881368), (4, 4940684), (7, 2823248), (8, 2470342), (14, 1411624), (16, 1235171), (19, 1040144), (28, 705812), (37, 534128), (38, 520072), (56, 352906), (74, 267064), (76, 260036), (112, 176453), (133, 148592), (148, 133532), (152, 130018), (251, 78736), (259, 76304), (266, 74296), (296, 66766), (304, 65009), (502, 39368), (518, 38152), (532, 37148), (592, 33383), (703, 28112), (1004, 19684), (1036, 19076), (1064, 18574), (1406, 14056), (1757, 11248), (2008, 9842), (2072, 9538), (2128, 9287), (2812, 7028), (3514, 5624), (4016, 4921), (4144, 4769)]