19661004

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 54774720

約数和(自身を除く): 35113716

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 131, 132, 198, 262, 379, 393, 396, 524, 758, 786, 1137, 1179, 1441, 1516, 1572, 2274, 2358, 2882, 3411, 4169, 4323, 4548, 4716, 5764, 6822, 8338, 8646, 12507, 12969, 13644, 16676, 17292, 25014, 25938, 37521, 49649, 50028, 51876, 75042, 99298, 148947, 150084, 198596, 297894, 446841, 546139, 595788, 893682, 1092278, 1638417, 1787364, 2184556, 3276834, 4915251, 6553668, 9830502, 19661004]

約数ペア:

[(1, 19661004), (2, 9830502), (3, 6553668), (4, 4915251), (6, 3276834), (9, 2184556), (11, 1787364), (12, 1638417), (18, 1092278), (22, 893682), (33, 595788), (36, 546139), (44, 446841), (66, 297894), (99, 198596), (131, 150084), (132, 148947), (198, 99298), (262, 75042), (379, 51876), (393, 50028), (396, 49649), (524, 37521), (758, 25938), (786, 25014), (1137, 17292), (1179, 16676), (1441, 13644), (1516, 12969), (1572, 12507), (2274, 8646), (2358, 8338), (2882, 6822), (3411, 5764), (4169, 4716), (4323, 4548)]