18745890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{743}}^1$

素因数の和:811

約数の個数: 48

約数和(自身を含む): 46657728

約数和(自身を除く): 27911838

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 743, 841, 870, 1486, 1682, 2229, 2523, 3715, 4205, 4458, 5046, 7430, 8410, 11145, 12615, 21547, 22290, 25230, 43094, 64641, 107735, 129282, 215470, 323205, 624863, 646410, 1249726, 1874589, 3124315, 3749178, 6248630, 9372945, 18745890]

約数ペア:

[(1, 18745890), (2, 9372945), (3, 6248630), (5, 3749178), (6, 3124315), (10, 1874589), (15, 1249726), (29, 646410), (30, 624863), (58, 323205), (87, 215470), (145, 129282), (174, 107735), (290, 64641), (435, 43094), (743, 25230), (841, 22290), (870, 21547), (1486, 12615), (1682, 11145), (2229, 8410), (2523, 7430), (3715, 5046), (4205, 4458)]