19946410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4217}}^1$

素因数の和:4278

約数の個数: 32

約数和(自身を含む): 40087872

約数和(自身を除く): 20141462

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4217, 4730, 8434, 21085, 42170, 46387, 92774, 181331, 231935, 362662, 463870, 906655, 1813310, 1994641, 3989282, 9973205, 19946410]

約数ペア:

[(1, 19946410), (2, 9973205), (5, 3989282), (10, 1994641), (11, 1813310), (22, 906655), (43, 463870), (55, 362662), (86, 231935), (110, 181331), (215, 92774), (430, 46387), (473, 42170), (946, 21085), (2365, 8434), (4217, 4730)]