19229344

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:305

約数の個数: 48

約数和(自身を含む): 39501000

約数和(自身を除く): 20271656

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 109, 148, 149, 218, 296, 298, 436, 592, 596, 872, 1184, 1192, 1744, 2384, 3488, 4033, 4768, 5513, 8066, 11026, 16132, 16241, 22052, 32264, 32482, 44104, 64528, 64964, 88208, 129056, 129928, 176416, 259856, 519712, 600917, 1201834, 2403668, 4807336, 9614672, 19229344]

約数ペア:

[(1, 19229344), (2, 9614672), (4, 4807336), (8, 2403668), (16, 1201834), (32, 600917), (37, 519712), (74, 259856), (109, 176416), (148, 129928), (149, 129056), (218, 88208), (296, 64964), (298, 64528), (436, 44104), (592, 32482), (596, 32264), (872, 22052), (1184, 16241), (1192, 16132), (1744, 11026), (2384, 8066), (3488, 5513), (4033, 4768)]