19647842

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{8059}}^1$

素因数の和:8137

約数の個数: 16

約数和(自身を含む): 31337280

約数和(自身を除く): 11689438

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 8059, 16118, 185357, 370714, 427127, 854254, 9823921, 19647842]

約数ペア:

[(1, 19647842), (2, 9823921), (23, 854254), (46, 427127), (53, 370714), (106, 185357), (1219, 16118), (2438, 8059)]