16388336

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:142

約数の個数: 80

約数和(自身を含む): 36188160

約数和(自身を除く): 19799824

約数列:

[1, 2, 4, 8, 16, 19, 31, 37, 38, 47, 62, 74, 76, 94, 124, 148, 152, 188, 248, 296, 304, 376, 496, 589, 592, 703, 752, 893, 1147, 1178, 1406, 1457, 1739, 1786, 2294, 2356, 2812, 2914, 3478, 3572, 4588, 4712, 5624, 5828, 6956, 7144, 9176, 9424, 11248, 11656, 13912, 14288, 18352, 21793, 23312, 27683, 27824, 33041, 43586, 53909, 55366, 66082, 87172, 107818, 110732, 132164, 174344, 215636, 221464, 264328, 348688, 431272, 442928, 528656, 862544, 1024271, 2048542, 4097084, 8194168, 16388336]

約数ペア:

[(1, 16388336), (2, 8194168), (4, 4097084), (8, 2048542), (16, 1024271), (19, 862544), (31, 528656), (37, 442928), (38, 431272), (47, 348688), (62, 264328), (74, 221464), (76, 215636), (94, 174344), (124, 132164), (148, 110732), (152, 107818), (188, 87172), (248, 66082), (296, 55366), (304, 53909), (376, 43586), (496, 33041), (589, 27824), (592, 27683), (703, 23312), (752, 21793), (893, 18352), (1147, 14288), (1178, 13912), (1406, 11656), (1457, 11248), (1739, 9424), (1786, 9176), (2294, 7144), (2356, 6956), (2812, 5828), (2914, 5624), (3478, 4712), (3572, 4588)]