18219867328

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{6761}}^1$

素因数の和:6906

約数の個数: 112

約数和(自身を含む): 40396728960

約数和(自身を除く): 22176861632

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 79, 82, 104, 158, 164, 208, 316, 328, 416, 533, 632, 656, 832, 1027, 1066, 1264, 1312, 2054, 2132, 2528, 2624, 3239, 4108, 4264, 5056, 6478, 6761, 8216, 8528, 12956, 13522, 16432, 17056, 25912, 27044, 32864, 34112, 42107, 51824, 54088, 65728, 84214, 87893, 103648, 108176, 168428, 175786, 207296, 216352, 277201, 336856, 351572, 432704, 534119, 554402, 673712, 703144, 1068238, 1108804, 1347424, 1406288, 2136476, 2217608, 2694848, 2812576, 3603613, 4272952, 4435216, 5625152, 6943547, 7207226, 8545904, 8870432, 13887094, 14414452, 17091808, 17740864, 21898879, 27774188, 28828904, 34183616, 43797758, 55548376, 57657808, 87595516, 111096752, 115315616, 175191032, 222193504, 230631232, 284685427, 350382064, 444387008, 569370854, 700764128, 1138741708, 1401528256, 2277483416, 4554966832, 9109933664, 18219867328]

約数ペア:

[(1, 18219867328), (2, 9109933664), (4, 4554966832), (8, 2277483416), (13, 1401528256), (16, 1138741708), (26, 700764128), (32, 569370854), (41, 444387008), (52, 350382064), (64, 284685427), (79, 230631232), (82, 222193504), (104, 175191032), (158, 115315616), (164, 111096752), (208, 87595516), (316, 57657808), (328, 55548376), (416, 43797758), (533, 34183616), (632, 28828904), (656, 27774188), (832, 21898879), (1027, 17740864), (1066, 17091808), (1264, 14414452), (1312, 13887094), (2054, 8870432), (2132, 8545904), (2528, 7207226), (2624, 6943547), (3239, 5625152), (4108, 4435216), (4264, 4272952), (5056, 3603613), (6478, 2812576), (6761, 2694848), (8216, 2217608), (8528, 2136476), (12956, 1406288), (13522, 1347424), (16432, 1108804), (17056, 1068238), (25912, 703144), (27044, 673712), (32864, 554402), (34112, 534119), (42107, 432704), (51824, 351572), (54088, 336856), (65728, 277201), (84214, 216352), (87893, 207296), (103648, 175786), (108176, 168428)]