19813992

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{6823}}^1$

素因数の和:6854

約数の個数: 48

約数和(自身を含む): 54455520

約数和(自身を除く): 34641528

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 121, 132, 242, 264, 363, 484, 726, 968, 1452, 2904, 6823, 13646, 20469, 27292, 40938, 54584, 75053, 81876, 150106, 163752, 225159, 300212, 450318, 600424, 825583, 900636, 1651166, 1801272, 2476749, 3302332, 4953498, 6604664, 9906996, 19813992]

約数ペア:

[(1, 19813992), (2, 9906996), (3, 6604664), (4, 4953498), (6, 3302332), (8, 2476749), (11, 1801272), (12, 1651166), (22, 900636), (24, 825583), (33, 600424), (44, 450318), (66, 300212), (88, 225159), (121, 163752), (132, 150106), (242, 81876), (264, 75053), (363, 54584), (484, 40938), (726, 27292), (968, 20469), (1452, 13646), (2904, 6823)]