19728630

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{821}}^1$

素因数の和:926

約数の個数: 64

約数和(自身を含む): 53265600

約数和(自身を除く): 33536970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 89, 90, 135, 178, 267, 270, 445, 534, 801, 821, 890, 1335, 1602, 1642, 2403, 2463, 2670, 4005, 4105, 4806, 4926, 7389, 8010, 8210, 12015, 12315, 14778, 22167, 24030, 24630, 36945, 44334, 73069, 73890, 110835, 146138, 219207, 221670, 365345, 438414, 657621, 730690, 1096035, 1315242, 1972863, 2192070, 3288105, 3945726, 6576210, 9864315, 19728630]

約数ペア:

[(1, 19728630), (2, 9864315), (3, 6576210), (5, 3945726), (6, 3288105), (9, 2192070), (10, 1972863), (15, 1315242), (18, 1096035), (27, 730690), (30, 657621), (45, 438414), (54, 365345), (89, 221670), (90, 219207), (135, 146138), (178, 110835), (267, 73890), (270, 73069), (445, 44334), (534, 36945), (801, 24630), (821, 24030), (890, 22167), (1335, 14778), (1602, 12315), (1642, 12015), (2403, 8210), (2463, 8010), (2670, 7389), (4005, 4926), (4105, 4806)]