18281820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{5749}}^1$

素因数の和:5814

約数の個数: 48

約数和(自身を含む): 52164000

約数和(自身を除く): 33882180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 5749, 11498, 17247, 22996, 28745, 34494, 57490, 68988, 86235, 114980, 172470, 304697, 344940, 609394, 914091, 1218788, 1523485, 1828182, 3046970, 3656364, 4570455, 6093940, 9140910, 18281820]

約数ペア:

[(1, 18281820), (2, 9140910), (3, 6093940), (4, 4570455), (5, 3656364), (6, 3046970), (10, 1828182), (12, 1523485), (15, 1218788), (20, 914091), (30, 609394), (53, 344940), (60, 304697), (106, 172470), (159, 114980), (212, 86235), (265, 68988), (318, 57490), (530, 34494), (636, 28745), (795, 22996), (1060, 17247), (1590, 11498), (3180, 5749)]