19615826

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 32237568

約数和(自身を除く): 12621742

約数列:

[1, 2, 23, 43, 46, 47, 86, 94, 211, 422, 989, 1081, 1978, 2021, 2162, 4042, 4853, 9073, 9706, 9917, 18146, 19834, 46483, 92966, 208679, 228091, 417358, 426431, 456182, 852862, 9807913, 19615826]

約数ペア:

[(1, 19615826), (2, 9807913), (23, 852862), (43, 456182), (46, 426431), (47, 417358), (86, 228091), (94, 208679), (211, 92966), (422, 46483), (989, 19834), (1081, 18146), (1978, 9917), (2021, 9706), (2162, 9073), (4042, 4853)]