19716736

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1$

素因数の和:102

約数の個数: 96

約数和(自身を含む): 46031580

約数和(自身を除く): 26314844

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 41, 52, 64, 68, 82, 104, 128, 136, 164, 208, 221, 272, 289, 328, 416, 442, 533, 544, 578, 656, 697, 832, 884, 1066, 1088, 1156, 1312, 1394, 1664, 1768, 2132, 2176, 2312, 2624, 2788, 3536, 3757, 4264, 4624, 5248, 5576, 7072, 7514, 8528, 9061, 9248, 11152, 11849, 14144, 15028, 17056, 18122, 18496, 22304, 23698, 28288, 30056, 34112, 36244, 36992, 44608, 47396, 60112, 68224, 72488, 89216, 94792, 120224, 144976, 154037, 189584, 240448, 289952, 308074, 379168, 480896, 579904, 616148, 758336, 1159808, 1232296, 1516672, 2464592, 4929184, 9858368, 19716736]

約数ペア:

[(1, 19716736), (2, 9858368), (4, 4929184), (8, 2464592), (13, 1516672), (16, 1232296), (17, 1159808), (26, 758336), (32, 616148), (34, 579904), (41, 480896), (52, 379168), (64, 308074), (68, 289952), (82, 240448), (104, 189584), (128, 154037), (136, 144976), (164, 120224), (208, 94792), (221, 89216), (272, 72488), (289, 68224), (328, 60112), (416, 47396), (442, 44608), (533, 36992), (544, 36244), (578, 34112), (656, 30056), (697, 28288), (832, 23698), (884, 22304), (1066, 18496), (1088, 18122), (1156, 17056), (1312, 15028), (1394, 14144), (1664, 11849), (1768, 11152), (2132, 9248), (2176, 9061), (2312, 8528), (2624, 7514), (2788, 7072), (3536, 5576), (3757, 5248), (4264, 4624)]