19872424

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{599}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 45360000

約数和(自身を除く): 25487576

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 29, 44, 52, 58, 88, 104, 116, 143, 232, 286, 319, 377, 572, 599, 638, 754, 1144, 1198, 1276, 1508, 2396, 2552, 3016, 4147, 4792, 6589, 7787, 8294, 13178, 15574, 16588, 17371, 26356, 31148, 33176, 34742, 52712, 62296, 69484, 85657, 138968, 171314, 191081, 225823, 342628, 382162, 451646, 685256, 764324, 903292, 1528648, 1806584, 2484053, 4968106, 9936212, 19872424]

約数ペア:

[(1, 19872424), (2, 9936212), (4, 4968106), (8, 2484053), (11, 1806584), (13, 1528648), (22, 903292), (26, 764324), (29, 685256), (44, 451646), (52, 382162), (58, 342628), (88, 225823), (104, 191081), (116, 171314), (143, 138968), (232, 85657), (286, 69484), (319, 62296), (377, 52712), (572, 34742), (599, 33176), (638, 31148), (754, 26356), (1144, 17371), (1198, 16588), (1276, 15574), (1508, 13178), (2396, 8294), (2552, 7787), (3016, 6589), (4147, 4792)]