18989772

素因数分解:

$2^2\times 3^1\times {\mathrm{509}}^1\times {\mathrm{3109}}^1$

素因数の和:3625

約数の個数: 24

約数和(自身を含む): 44410800

約数和(自身を除く): 25421028

約数列:

[1, 2, 3, 4, 6, 12, 509, 1018, 1527, 2036, 3054, 3109, 6108, 6218, 9327, 12436, 18654, 37308, 1582481, 3164962, 4747443, 6329924, 9494886, 18989772]

約数ペア:

[(1, 18989772), (2, 9494886), (3, 6329924), (4, 4747443), (6, 3164962), (12, 1582481), (509, 37308), (1018, 18654), (1527, 12436), (2036, 9327), (3054, 6218), (3109, 6108)]