19672040

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6737}}^1$

素因数の和:6821

約数の個数: 32

約数和(自身を含む): 44875080

約数和(自身を除く): 25203040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6737, 13474, 26948, 33685, 53896, 67370, 134740, 269480, 491801, 983602, 1967204, 2459005, 3934408, 4918010, 9836020, 19672040]

約数ペア:

[(1, 19672040), (2, 9836020), (4, 4918010), (5, 3934408), (8, 2459005), (10, 1967204), (20, 983602), (40, 491801), (73, 269480), (146, 134740), (292, 67370), (365, 53896), (584, 33685), (730, 26948), (1460, 13474), (2920, 6737)]