19933892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2503}}^1$

素因数の和:2699

約数の個数: 24

約数和(自身を含む): 38281152

約数和(自身を除く): 18347260

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1991, 2503, 3982, 5006, 7964, 10012, 27533, 55066, 110132, 453043, 906086, 1812172, 4983473, 9966946, 19933892]

約数ペア:

[(1, 19933892), (2, 9966946), (4, 4983473), (11, 1812172), (22, 906086), (44, 453043), (181, 110132), (362, 55066), (724, 27533), (1991, 10012), (2503, 7964), (3982, 5006)]