19487404

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{743}}^1$

素因数の和:909

約数の個数: 24

約数和(自身を含む): 34997760

約数和(自身を除く): 15510356

約数列:

[1, 2, 4, 79, 83, 158, 166, 316, 332, 743, 1486, 2972, 6557, 13114, 26228, 58697, 61669, 117394, 123338, 234788, 246676, 4871851, 9743702, 19487404]

約数ペア:

[(1, 19487404), (2, 9743702), (4, 4871851), (79, 246676), (83, 234788), (158, 123338), (166, 117394), (316, 61669), (332, 58697), (743, 26228), (1486, 13114), (2972, 6557)]