17720348

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 31693200

約数和(自身を除く): 13972852

約数列:

[1, 2, 4, 97, 109, 194, 218, 388, 419, 436, 838, 1676, 10573, 21146, 40643, 42292, 45671, 81286, 91342, 162572, 182684, 4430087, 8860174, 17720348]

約数ペア:

[(1, 17720348), (2, 8860174), (4, 4430087), (97, 182684), (109, 162572), (194, 91342), (218, 81286), (388, 45671), (419, 42292), (436, 40643), (838, 21146), (1676, 10573)]