19778706

素因数分解:

$2^1\times 3^2\times {\mathrm{439}}^1\times {\mathrm{2503}}^1$

素因数の和:2950

約数の個数: 24

約数和(自身を含む): 42968640

約数和(自身を除く): 23189934

約数列:

[1, 2, 3, 6, 9, 18, 439, 878, 1317, 2503, 2634, 3951, 5006, 7509, 7902, 15018, 22527, 45054, 1098817, 2197634, 3296451, 6592902, 9889353, 19778706]

約数ペア:

[(1, 19778706), (2, 9889353), (3, 6592902), (6, 3296451), (9, 2197634), (18, 1098817), (439, 45054), (878, 22527), (1317, 15018), (2503, 7902), (2634, 7509), (3951, 5006)]