19327888

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{7411}}^1$

素因数の和:7582

約数の個数: 20

約数和(自身を含む): 37682608

約数和(自身を除く): 18354720

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 7411, 14822, 29644, 59288, 118576, 1207993, 2415986, 4831972, 9663944, 19327888]

約数ペア:

[(1, 19327888), (2, 9663944), (4, 4831972), (8, 2415986), (16, 1207993), (163, 118576), (326, 59288), (652, 29644), (1304, 14822), (2608, 7411)]