19900348

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{3511}}^1$

素因数の和:3637

約数の個数: 24

約数和(自身を含む): 37859360

約数和(自身を除く): 17959012

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 3511, 5668, 7022, 14044, 45643, 91286, 182572, 382699, 765398, 1530796, 4975087, 9950174, 19900348]

約数ペア:

[(1, 19900348), (2, 9950174), (4, 4975087), (13, 1530796), (26, 765398), (52, 382699), (109, 182572), (218, 91286), (436, 45643), (1417, 14044), (2834, 7022), (3511, 5668)]