18947340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{105263}}^1$

素因数の和:105278

約数の個数: 36

約数和(自身を含む): 57474144

約数和(自身を除く): 38526804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 105263, 210526, 315789, 421052, 526315, 631578, 947367, 1052630, 1263156, 1578945, 1894734, 2105260, 3157890, 3789468, 4736835, 6315780, 9473670, 18947340]

約数ペア:

[(1, 18947340), (2, 9473670), (3, 6315780), (4, 4736835), (5, 3789468), (6, 3157890), (9, 2105260), (10, 1894734), (12, 1578945), (15, 1263156), (18, 1052630), (20, 947367), (30, 631578), (36, 526315), (45, 421052), (60, 315789), (90, 210526), (180, 105263)]