20161842818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{141223}}^1$

素因数の和:141291

約数の個数: 48

約数和(自身を含む): 36418845120

約数和(自身を除く): 16257002302

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 221, 247, 289, 323, 442, 494, 578, 646, 3757, 4199, 5491, 7514, 8398, 10982, 71383, 141223, 142766, 282446, 1835899, 2400791, 2683237, 3671798, 4801582, 5366474, 31210283, 34882081, 40813447, 45615029, 62420566, 69764162, 81626894, 91230058, 530574811, 592995377, 775455493, 1061149622, 1185990754, 1550910986, 10080921409, 20161842818]

約数ペア:

[(1, 20161842818), (2, 10080921409), (13, 1550910986), (17, 1185990754), (19, 1061149622), (26, 775455493), (34, 592995377), (38, 530574811), (221, 91230058), (247, 81626894), (289, 69764162), (323, 62420566), (442, 45615029), (494, 40813447), (578, 34882081), (646, 31210283), (3757, 5366474), (4199, 4801582), (5491, 3671798), (7514, 2683237), (8398, 2400791), (10982, 1835899), (71383, 282446), (141223, 142766)]