193145140

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{18973}}^1$

素因数の和:19491

約数の個数: 24

約数和(自身を含む): 406423080

約数和(自身を除く): 213277940

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 10180, 18973, 37946, 75892, 94865, 189730, 379460, 9657257, 19314514, 38629028, 48286285, 96572570, 193145140]

約数ペア:

[(1, 193145140), (2, 96572570), (4, 48286285), (5, 38629028), (10, 19314514), (20, 9657257), (509, 379460), (1018, 189730), (2036, 94865), (2545, 75892), (5090, 37946), (10180, 18973)]