19398854

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{5483}}^1$

素因数の和:5575

約数の個数: 16

約数和(自身を含む): 30600720

約数和(自身を除く): 11201866

約数列:

[1, 2, 29, 58, 61, 122, 1769, 3538, 5483, 10966, 159007, 318014, 334463, 668926, 9699427, 19398854]

約数ペア:

[(1, 19398854), (2, 9699427), (29, 668926), (58, 334463), (61, 318014), (122, 159007), (1769, 10966), (3538, 5483)]