19425712

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{18121}}^1$

素因数の和:18196

約数の個数: 20

約数和(自身を含む): 38201176

約数和(自身を除く): 18775464

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 18121, 36242, 72484, 144968, 289936, 1214107, 2428214, 4856428, 9712856, 19425712]

約数ペア:

[(1, 19425712), (2, 9712856), (4, 4856428), (8, 2428214), (16, 1214107), (67, 289936), (134, 144968), (268, 72484), (536, 36242), (1072, 18121)]