19530335

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15439}}^1$

素因数の和:15478

約数の個数: 16

約数和(自身を含む): 26680320

約数和(自身を除く): 7149985

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 15439, 77195, 169829, 355097, 849145, 1775485, 3906067, 19530335]

約数ペア:

[(1, 19530335), (5, 3906067), (11, 1775485), (23, 849145), (55, 355097), (115, 169829), (253, 77195), (1265, 15439)]