19247860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23473}}^1$

素因数の和:23523

約数の個数: 24

約数和(自身を含む): 41408136

約数和(自身を除く): 22160276

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 23473, 46946, 93892, 117365, 234730, 469460, 962393, 1924786, 3849572, 4811965, 9623930, 19247860]

約数ペア:

[(1, 19247860), (2, 9623930), (4, 4811965), (5, 3849572), (10, 1924786), (20, 962393), (41, 469460), (82, 234730), (164, 117365), (205, 93892), (410, 46946), (820, 23473)]