19896756

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 52016832

約数和(自身を除く): 32120076

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 71, 121, 132, 142, 193, 213, 242, 284, 363, 386, 426, 484, 579, 726, 772, 781, 852, 1158, 1452, 1562, 2123, 2316, 2343, 3124, 4246, 4686, 6369, 8492, 8591, 9372, 12738, 13703, 17182, 23353, 25476, 25773, 27406, 34364, 41109, 46706, 51546, 54812, 70059, 82218, 93412, 103092, 140118, 150733, 164436, 280236, 301466, 452199, 602932, 904398, 1658063, 1808796, 3316126, 4974189, 6632252, 9948378, 19896756]

約数ペア:

[(1, 19896756), (2, 9948378), (3, 6632252), (4, 4974189), (6, 3316126), (11, 1808796), (12, 1658063), (22, 904398), (33, 602932), (44, 452199), (66, 301466), (71, 280236), (121, 164436), (132, 150733), (142, 140118), (193, 103092), (213, 93412), (242, 82218), (284, 70059), (363, 54812), (386, 51546), (426, 46706), (484, 41109), (579, 34364), (726, 27406), (772, 25773), (781, 25476), (852, 23353), (1158, 17182), (1452, 13703), (1562, 12738), (2123, 9372), (2316, 8591), (2343, 8492), (3124, 6369), (4246, 4686)]