19122730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{661}}^1$

素因数の和:942

約数の個数: 32

約数和(自身を含む): 37749888

約数和(自身を除く): 18627158

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 263, 526, 661, 1315, 1322, 2630, 2893, 3305, 5786, 6610, 7271, 14465, 14542, 28930, 36355, 72710, 173843, 347686, 869215, 1738430, 1912273, 3824546, 9561365, 19122730]

約数ペア:

[(1, 19122730), (2, 9561365), (5, 3824546), (10, 1912273), (11, 1738430), (22, 869215), (55, 347686), (110, 173843), (263, 72710), (526, 36355), (661, 28930), (1315, 14542), (1322, 14465), (2630, 7271), (2893, 6610), (3305, 5786)]