1813306520

素因数分解:

$2^3\times 5^1\times {\mathrm{45332663}}^1$

素因数の和:45332674

約数の個数: 16

約数和(自身を含む): 4079939760

約数和(自身を除く): 2266633240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 45332663, 90665326, 181330652, 226663315, 362661304, 453326630, 906653260, 1813306520]

約数ペア:

[(1, 1813306520), (2, 906653260), (4, 453326630), (5, 362661304), (8, 226663315), (10, 181330652), (20, 90665326), (40, 45332663)]