18396940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{48413}}^1$

素因数の和:48441

約数の個数: 24

約数和(自身を含む): 40667760

約数和(自身を除く): 22270820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 48413, 96826, 193652, 242065, 484130, 919847, 968260, 1839694, 3679388, 4599235, 9198470, 18396940]

約数ペア:

[(1, 18396940), (2, 9198470), (4, 4599235), (5, 3679388), (10, 1839694), (19, 968260), (20, 919847), (38, 484130), (76, 242065), (95, 193652), (190, 96826), (380, 48413)]