19762990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2269}}^1$

素因数の和:2356

約数の個数: 32

約数和(自身を含む): 38898720

約数和(自身を除く): 19135730

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 2269, 4355, 4538, 8710, 11345, 22690, 29497, 58994, 147485, 152023, 294970, 304046, 760115, 1520230, 1976299, 3952598, 9881495, 19762990]

約数ペア:

[(1, 19762990), (2, 9881495), (5, 3952598), (10, 1976299), (13, 1520230), (26, 760115), (65, 304046), (67, 294970), (130, 152023), (134, 147485), (335, 58994), (670, 29497), (871, 22690), (1742, 11345), (2269, 8710), (4355, 4538)]