18974703

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 29548800

約数和(自身を除く): 10574097

約数列:

[1, 3, 11, 17, 33, 51, 149, 187, 227, 447, 561, 681, 1639, 2497, 2533, 3859, 4917, 7491, 7599, 11577, 27863, 33823, 42449, 83589, 101469, 127347, 372053, 574991, 1116159, 1724973, 6324901, 18974703]

約数ペア:

[(1, 18974703), (3, 6324901), (11, 1724973), (17, 1116159), (33, 574991), (51, 372053), (149, 127347), (187, 101469), (227, 83589), (447, 42449), (561, 33823), (681, 27863), (1639, 11577), (2497, 7599), (2533, 7491), (3859, 4917)]