18422990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{887}}^1$

素因数の和:992

約数の個数: 32

約数和(自身を含む): 34781184

約数和(自身を除く): 16358194

約数列:

[1, 2, 5, 10, 31, 62, 67, 134, 155, 310, 335, 670, 887, 1774, 2077, 4154, 4435, 8870, 10385, 20770, 27497, 54994, 59429, 118858, 137485, 274970, 297145, 594290, 1842299, 3684598, 9211495, 18422990]

約数ペア:

[(1, 18422990), (2, 9211495), (5, 3684598), (10, 1842299), (31, 594290), (62, 297145), (67, 274970), (134, 137485), (155, 118858), (310, 59429), (335, 54994), (670, 27497), (887, 20770), (1774, 10385), (2077, 8870), (4154, 4435)]