18291214611

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{1321}}^1$

素因数の和:1665

約数の個数: 64

約数和(自身を含む): 28509511680

約数和(自身を除く): 10218297069

約数列:

[1, 3, 9, 27, 31, 71, 93, 213, 233, 279, 639, 699, 837, 1321, 1917, 2097, 2201, 3963, 6291, 6603, 7223, 11889, 16543, 19809, 21669, 35667, 40951, 49629, 59427, 65007, 93791, 122853, 148887, 195021, 281373, 307793, 368559, 446661, 512833, 844119, 923379, 1105677, 1538499, 2532357, 2770137, 2907521, 4615497, 8310411, 8722563, 9541583, 13846491, 21853303, 26167689, 28624749, 65559909, 78503067, 85874247, 196679727, 257622741, 590039181, 677452393, 2032357179, 6097071537, 18291214611]

約数ペア:

[(1, 18291214611), (3, 6097071537), (9, 2032357179), (27, 677452393), (31, 590039181), (71, 257622741), (93, 196679727), (213, 85874247), (233, 78503067), (279, 65559909), (639, 28624749), (699, 26167689), (837, 21853303), (1321, 13846491), (1917, 9541583), (2097, 8722563), (2201, 8310411), (3963, 4615497), (6291, 2907521), (6603, 2770137), (7223, 2532357), (11889, 1538499), (16543, 1105677), (19809, 923379), (21669, 844119), (35667, 512833), (40951, 446661), (49629, 368559), (59427, 307793), (65007, 281373), (93791, 195021), (122853, 148887)]