19502676

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 51184224

約数和(自身を除く): 31681548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 83, 107, 122, 166, 183, 214, 244, 249, 321, 332, 366, 428, 498, 549, 642, 732, 747, 963, 996, 1098, 1284, 1494, 1926, 2196, 2988, 3852, 5063, 6527, 8881, 10126, 13054, 15189, 17762, 19581, 20252, 26108, 26643, 30378, 35524, 39162, 45567, 53286, 58743, 60756, 78324, 79929, 91134, 106572, 117486, 159858, 182268, 234972, 319716, 541741, 1083482, 1625223, 2166964, 3250446, 4875669, 6500892, 9751338, 19502676]

約数ペア:

[(1, 19502676), (2, 9751338), (3, 6500892), (4, 4875669), (6, 3250446), (9, 2166964), (12, 1625223), (18, 1083482), (36, 541741), (61, 319716), (83, 234972), (107, 182268), (122, 159858), (166, 117486), (183, 106572), (214, 91134), (244, 79929), (249, 78324), (321, 60756), (332, 58743), (366, 53286), (428, 45567), (498, 39162), (549, 35524), (642, 30378), (732, 26643), (747, 26108), (963, 20252), (996, 19581), (1098, 17762), (1284, 15189), (1494, 13054), (1926, 10126), (2196, 8881), (2988, 6527), (3852, 5063)]