20194818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{4957}}^1$

素因数の和:5066

約数の個数: 32

約数和(自身を含む): 46644864

約数和(自身を除く): 26450046

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 97, 194, 291, 582, 679, 1358, 2037, 4074, 4957, 9914, 14871, 29742, 34699, 69398, 104097, 208194, 480829, 961658, 1442487, 2884974, 3365803, 6731606, 10097409, 20194818]

約数ペア:

[(1, 20194818), (2, 10097409), (3, 6731606), (6, 3365803), (7, 2884974), (14, 1442487), (21, 961658), (42, 480829), (97, 208194), (194, 104097), (291, 69398), (582, 34699), (679, 29742), (1358, 14871), (2037, 9914), (4074, 4957)]