19902072

素因数分解:

$2^3\times 3^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 51367680

約数和(自身を除く): 31465608

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 83, 97, 103, 166, 194, 206, 249, 291, 309, 332, 388, 412, 498, 582, 618, 664, 776, 824, 996, 1164, 1236, 1992, 2328, 2472, 8051, 8549, 9991, 16102, 17098, 19982, 24153, 25647, 29973, 32204, 34196, 39964, 48306, 51294, 59946, 64408, 68392, 79928, 96612, 102588, 119892, 193224, 205176, 239784, 829253, 1658506, 2487759, 3317012, 4975518, 6634024, 9951036, 19902072]

約数ペア:

[(1, 19902072), (2, 9951036), (3, 6634024), (4, 4975518), (6, 3317012), (8, 2487759), (12, 1658506), (24, 829253), (83, 239784), (97, 205176), (103, 193224), (166, 119892), (194, 102588), (206, 96612), (249, 79928), (291, 68392), (309, 64408), (332, 59946), (388, 51294), (412, 48306), (498, 39964), (582, 34196), (618, 32204), (664, 29973), (776, 25647), (824, 24153), (996, 19982), (1164, 17098), (1236, 16102), (1992, 9991), (2328, 8549), (2472, 8051)]