1812543910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{20947}}^1$

素因数の和:21480

約数の個数: 32

約数和(自身を含む): 3461447520

約数和(自身を除く): 1648903610

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 509, 1018, 2545, 5090, 8653, 17306, 20947, 41894, 43265, 86530, 104735, 209470, 356099, 712198, 1780495, 3560990, 10662023, 21324046, 53310115, 106620230, 181254391, 362508782, 906271955, 1812543910]

約数ペア:

[(1, 1812543910), (2, 906271955), (5, 362508782), (10, 181254391), (17, 106620230), (34, 53310115), (85, 21324046), (170, 10662023), (509, 3560990), (1018, 1780495), (2545, 712198), (5090, 356099), (8653, 209470), (17306, 104735), (20947, 86530), (41894, 43265)]