19378535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15319}}^1$

素因数の和:15358

約数の個数: 16

約数和(自身を含む): 26472960

約数和(自身を除く): 7094425

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 15319, 76595, 168509, 352337, 842545, 1761685, 3875707, 19378535]

約数ペア:

[(1, 19378535), (5, 3875707), (11, 1761685), (23, 842545), (55, 352337), (115, 168509), (253, 76595), (1265, 15319)]