18863865

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{22063}}^1$

素因数の和:22093

約数の個数: 24

約数和(自身を含む): 34419840

約数和(自身を除く): 15555975

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 22063, 66189, 110315, 198567, 330945, 419197, 992835, 1257591, 2095985, 3772773, 6287955, 18863865]

約数ペア:

[(1, 18863865), (3, 6287955), (5, 3772773), (9, 2095985), (15, 1257591), (19, 992835), (45, 419197), (57, 330945), (95, 198567), (171, 110315), (285, 66189), (855, 22063)]