19871176

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1217}}^1$

素因数の和:1393

約数の個数: 32

約数和(自身を含む): 40413240

約数和(自身を除く): 20542064

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 157, 314, 628, 1217, 1256, 2041, 2434, 4082, 4868, 8164, 9736, 15821, 16328, 31642, 63284, 126568, 191069, 382138, 764276, 1528552, 2483897, 4967794, 9935588, 19871176]

約数ペア:

[(1, 19871176), (2, 9935588), (4, 4967794), (8, 2483897), (13, 1528552), (26, 764276), (52, 382138), (104, 191069), (157, 126568), (314, 63284), (628, 31642), (1217, 16328), (1256, 15821), (2041, 9736), (2434, 8164), (4082, 4868)]