19779444

素因数分解:

$2^2\times 3^3\times {\mathrm{373}}^1\times {\mathrm{491}}^1$

素因数の和:877

約数の個数: 48

約数和(自身を含む): 51522240

約数和(自身を除く): 31742796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 373, 491, 746, 982, 1119, 1473, 1492, 1964, 2238, 2946, 3357, 4419, 4476, 5892, 6714, 8838, 10071, 13257, 13428, 17676, 20142, 26514, 40284, 53028, 183143, 366286, 549429, 732572, 1098858, 1648287, 2197716, 3296574, 4944861, 6593148, 9889722, 19779444]

約数ペア:

[(1, 19779444), (2, 9889722), (3, 6593148), (4, 4944861), (6, 3296574), (9, 2197716), (12, 1648287), (18, 1098858), (27, 732572), (36, 549429), (54, 366286), (108, 183143), (373, 53028), (491, 40284), (746, 26514), (982, 20142), (1119, 17676), (1473, 13428), (1492, 13257), (1964, 10071), (2238, 8838), (2946, 6714), (3357, 5892), (4419, 4476)]