19918310962

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1447}}^1\times {\mathrm{14551}}^1$

素因数の和:16054

約数の個数: 32

約数和(自身を含む): 33376932864

約数和(自身を除く): 13458621902

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 1447, 2894, 14551, 15917, 29102, 31834, 62221, 124442, 160061, 320122, 625693, 684431, 1251386, 1368862, 6882623, 13765246, 21055297, 42110594, 231608267, 463216534, 905377771, 1810755542, 9959155481, 19918310962]

約数ペア:

[(1, 19918310962), (2, 9959155481), (11, 1810755542), (22, 905377771), (43, 463216534), (86, 231608267), (473, 42110594), (946, 21055297), (1447, 13765246), (2894, 6882623), (14551, 1368862), (15917, 1251386), (29102, 684431), (31834, 625693), (62221, 320122), (124442, 160061)]