18302340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43577}}^1$

素因数の和:43596

約数の個数: 48

約数和(自身を含む): 58568832

約数和(自身を除く): 40266492

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 43577, 87154, 130731, 174308, 217885, 261462, 305039, 435770, 522924, 610078, 653655, 871540, 915117, 1220156, 1307310, 1525195, 1830234, 2614620, 3050390, 3660468, 4575585, 6100780, 9151170, 18302340]

約数ペア:

[(1, 18302340), (2, 9151170), (3, 6100780), (4, 4575585), (5, 3660468), (6, 3050390), (7, 2614620), (10, 1830234), (12, 1525195), (14, 1307310), (15, 1220156), (20, 915117), (21, 871540), (28, 653655), (30, 610078), (35, 522924), (42, 435770), (60, 305039), (70, 261462), (84, 217885), (105, 174308), (140, 130731), (210, 87154), (420, 43577)]