16916992

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 80

約数和(自身を含む): 37319040

約数和(自身を除く): 20402048

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 47, 64, 74, 76, 94, 128, 148, 152, 188, 256, 296, 304, 376, 512, 592, 608, 703, 752, 893, 1184, 1216, 1406, 1504, 1739, 1786, 2368, 2432, 2812, 3008, 3478, 3572, 4736, 4864, 5624, 6016, 6956, 7144, 9472, 9728, 11248, 12032, 13912, 14288, 18944, 22496, 24064, 27824, 28576, 33041, 44992, 55648, 57152, 66082, 89984, 111296, 114304, 132164, 179968, 222592, 228608, 264328, 359936, 445184, 457216, 528656, 890368, 1057312, 2114624, 4229248, 8458496, 16916992]

約数ペア:

[(1, 16916992), (2, 8458496), (4, 4229248), (8, 2114624), (16, 1057312), (19, 890368), (32, 528656), (37, 457216), (38, 445184), (47, 359936), (64, 264328), (74, 228608), (76, 222592), (94, 179968), (128, 132164), (148, 114304), (152, 111296), (188, 89984), (256, 66082), (296, 57152), (304, 55648), (376, 44992), (512, 33041), (592, 28576), (608, 27824), (703, 24064), (752, 22496), (893, 18944), (1184, 14288), (1216, 13912), (1406, 12032), (1504, 11248), (1739, 9728), (1786, 9472), (2368, 7144), (2432, 6956), (2812, 6016), (3008, 5624), (3478, 4864), (3572, 4736)]