18954970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1489}}^1$

素因数の和:1582

約数の個数: 32

約数和(自身を含む): 36475200

約数和(自身を除く): 17520230

約数列:

[1, 2, 5, 10, 19, 38, 67, 95, 134, 190, 335, 670, 1273, 1489, 2546, 2978, 6365, 7445, 12730, 14890, 28291, 56582, 99763, 141455, 199526, 282910, 498815, 997630, 1895497, 3790994, 9477485, 18954970]

約数ペア:

[(1, 18954970), (2, 9477485), (5, 3790994), (10, 1895497), (19, 997630), (38, 498815), (67, 282910), (95, 199526), (134, 141455), (190, 99763), (335, 56582), (670, 28291), (1273, 14890), (1489, 12730), (2546, 7445), (2978, 6365)]