19990096

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10499}}^1$

素因数の和:10531

約数の個数: 40

約数和(自身を含む): 46872000

約数和(自身を除く): 26881904

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 10499, 20998, 41996, 73493, 83992, 146986, 167984, 178483, 293972, 356966, 587944, 713932, 1175888, 1249381, 1427864, 2498762, 2855728, 4997524, 9995048, 19990096]

約数ペア:

[(1, 19990096), (2, 9995048), (4, 4997524), (7, 2855728), (8, 2498762), (14, 1427864), (16, 1249381), (17, 1175888), (28, 713932), (34, 587944), (56, 356966), (68, 293972), (112, 178483), (119, 167984), (136, 146986), (238, 83992), (272, 73493), (476, 41996), (952, 20998), (1904, 10499)]