19961892

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^2\times {\mathrm{577}}^1$

素因数の和:649

約数の個数: 54

約数和(自身を含む): 52229814

約数和(自身を除く): 32267922

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 577, 961, 1116, 1154, 1731, 1922, 2308, 2883, 3462, 3844, 5193, 5766, 6924, 8649, 10386, 11532, 17298, 17887, 20772, 34596, 35774, 53661, 71548, 107322, 160983, 214644, 321966, 554497, 643932, 1108994, 1663491, 2217988, 3326982, 4990473, 6653964, 9980946, 19961892]

約数ペア:

[(1, 19961892), (2, 9980946), (3, 6653964), (4, 4990473), (6, 3326982), (9, 2217988), (12, 1663491), (18, 1108994), (31, 643932), (36, 554497), (62, 321966), (93, 214644), (124, 160983), (186, 107322), (279, 71548), (372, 53661), (558, 35774), (577, 34596), (961, 20772), (1116, 17887), (1154, 17298), (1731, 11532), (1922, 10386), (2308, 8649), (2883, 6924), (3462, 5766), (3844, 5193)]