19570265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 27965952

約数和(自身を除く): 8395687

約数列:

[1, 5, 11, 13, 55, 65, 101, 143, 271, 505, 715, 1111, 1313, 1355, 2981, 3523, 5555, 6565, 14443, 14905, 17615, 27371, 38753, 72215, 136855, 193765, 301081, 355823, 1505405, 1779115, 3914053, 19570265]

約数ペア:

[(1, 19570265), (5, 3914053), (11, 1779115), (13, 1505405), (55, 355823), (65, 301081), (101, 193765), (143, 136855), (271, 72215), (505, 38753), (715, 27371), (1111, 17615), (1313, 14905), (1355, 14443), (2981, 6565), (3523, 5555)]