18645952

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:405

約数の個数: 56

約数和(自身を含む): 40524176

約数和(自身を除く): 21878224

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 73, 104, 146, 208, 292, 307, 416, 584, 614, 832, 949, 1168, 1228, 1898, 2336, 2456, 3796, 3991, 4672, 4912, 7592, 7982, 9824, 15184, 15964, 19648, 22411, 30368, 31928, 44822, 60736, 63856, 89644, 127712, 179288, 255424, 291343, 358576, 582686, 717152, 1165372, 1434304, 2330744, 4661488, 9322976, 18645952]

約数ペア:

[(1, 18645952), (2, 9322976), (4, 4661488), (8, 2330744), (13, 1434304), (16, 1165372), (26, 717152), (32, 582686), (52, 358576), (64, 291343), (73, 255424), (104, 179288), (146, 127712), (208, 89644), (292, 63856), (307, 60736), (416, 44822), (584, 31928), (614, 30368), (832, 22411), (949, 19648), (1168, 15964), (1228, 15184), (1898, 9824), (2336, 7982), (2456, 7592), (3796, 4912), (3991, 4672)]