1999008145

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{53003}}^1$

素因数の和:53424

約数の個数: 16

約数和(自身を含む): 2531471040

約数和(自身を除く): 532462895

約数列:

[1, 5, 19, 95, 397, 1985, 7543, 37715, 53003, 265015, 1007057, 5035285, 21042191, 105210955, 399801629, 1999008145]

約数ペア:

[(1, 1999008145), (5, 399801629), (19, 105210955), (95, 21042191), (397, 5035285), (1985, 1007057), (7543, 265015), (37715, 53003)]