19031090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11261}}^1$

素因数の和:11294

約数の個数: 24

約数和(自身を含む): 37097028

約数和(自身を除く): 18065938

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11261, 22522, 56305, 112610, 146393, 292786, 731965, 1463930, 1903109, 3806218, 9515545, 19031090]

約数ペア:

[(1, 19031090), (2, 9515545), (5, 3806218), (10, 1903109), (13, 1463930), (26, 731965), (65, 292786), (130, 146393), (169, 112610), (338, 56305), (845, 22522), (1690, 11261)]