18939864

素因数分解:

$2^3\times 3^1\times {\mathrm{431}}^1\times {\mathrm{1831}}^1$

素因数の和:2271

約数の個数: 32

約数和(自身を含む): 47485440

約数和(自身を除く): 28545576

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 431, 862, 1293, 1724, 1831, 2586, 3448, 3662, 5172, 5493, 7324, 10344, 10986, 14648, 21972, 43944, 789161, 1578322, 2367483, 3156644, 4734966, 6313288, 9469932, 18939864]

約数ペア:

[(1, 18939864), (2, 9469932), (3, 6313288), (4, 4734966), (6, 3156644), (8, 2367483), (12, 1578322), (24, 789161), (431, 43944), (862, 21972), (1293, 14648), (1724, 10986), (1831, 10344), (2586, 7324), (3448, 5493), (3662, 5172)]