19555328

素因数分解:

$2^{10}\times {\mathrm{13}}^2\times {\mathrm{113}}^1$

素因数の和:159

約数の個数: 66

約数和(自身を含む): 42704514

約数和(自身を除く): 23149186

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 113, 128, 169, 208, 226, 256, 338, 416, 452, 512, 676, 832, 904, 1024, 1352, 1469, 1664, 1808, 2704, 2938, 3328, 3616, 5408, 5876, 6656, 7232, 10816, 11752, 13312, 14464, 19097, 21632, 23504, 28928, 38194, 43264, 47008, 57856, 76388, 86528, 94016, 115712, 152776, 173056, 188032, 305552, 376064, 611104, 752128, 1222208, 1504256, 2444416, 4888832, 9777664, 19555328]

約数ペア:

[(1, 19555328), (2, 9777664), (4, 4888832), (8, 2444416), (13, 1504256), (16, 1222208), (26, 752128), (32, 611104), (52, 376064), (64, 305552), (104, 188032), (113, 173056), (128, 152776), (169, 115712), (208, 94016), (226, 86528), (256, 76388), (338, 57856), (416, 47008), (452, 43264), (512, 38194), (676, 28928), (832, 23504), (904, 21632), (1024, 19097), (1352, 14464), (1469, 13312), (1664, 11752), (1808, 10816), (2704, 7232), (2938, 6656), (3328, 5876), (3616, 5408)]