19398836

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:308

約数の個数: 36

約数和(自身を含む): 36644748

約数和(自身を除く): 17245912

約数列:

[1, 2, 4, 17, 34, 68, 97, 173, 194, 289, 346, 388, 578, 692, 1156, 1649, 2941, 3298, 5882, 6596, 11764, 16781, 28033, 33562, 49997, 56066, 67124, 99994, 112132, 199988, 285277, 570554, 1141108, 4849709, 9699418, 19398836]

約数ペア:

[(1, 19398836), (2, 9699418), (4, 4849709), (17, 1141108), (34, 570554), (68, 285277), (97, 199988), (173, 112132), (194, 99994), (289, 67124), (346, 56066), (388, 49997), (578, 33562), (692, 28033), (1156, 16781), (1649, 11764), (2941, 6596), (3298, 5882)]