18199804

素因数分解:

$2^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1277}}^1$

素因数の和:1797

約数の個数: 24

約数和(自身を含む): 36499680

約数和(自身を除く): 18299876

約数列:

[1, 2, 4, 7, 14, 28, 509, 1018, 1277, 2036, 2554, 3563, 5108, 7126, 8939, 14252, 17878, 35756, 649993, 1299986, 2599972, 4549951, 9099902, 18199804]

約数ペア:

[(1, 18199804), (2, 9099902), (4, 4549951), (7, 2599972), (14, 1299986), (28, 649993), (509, 35756), (1018, 17878), (1277, 14252), (2036, 8939), (2554, 7126), (3563, 5108)]