18286440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1571}}^1$

素因数の和:1682

約数の個数: 64

約数和(自身を含む): 55460160

約数和(自身を除く): 37173720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1571, 1940, 2328, 2910, 3142, 3880, 4713, 5820, 6284, 7855, 9426, 11640, 12568, 15710, 18852, 23565, 31420, 37704, 47130, 62840, 94260, 152387, 188520, 304774, 457161, 609548, 761935, 914322, 1219096, 1523870, 1828644, 2285805, 3047740, 3657288, 4571610, 6095480, 9143220, 18286440]

約数ペア:

[(1, 18286440), (2, 9143220), (3, 6095480), (4, 4571610), (5, 3657288), (6, 3047740), (8, 2285805), (10, 1828644), (12, 1523870), (15, 1219096), (20, 914322), (24, 761935), (30, 609548), (40, 457161), (60, 304774), (97, 188520), (120, 152387), (194, 94260), (291, 62840), (388, 47130), (485, 37704), (582, 31420), (776, 23565), (970, 18852), (1164, 15710), (1455, 12568), (1571, 11640), (1940, 9426), (2328, 7855), (2910, 6284), (3142, 5820), (3880, 4713)]