18386340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43777}}^1$

素因数の和:43796

約数の個数: 48

約数和(自身を含む): 58837632

約数和(自身を除く): 40451292

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, 43777, 87554, 131331, 175108, 218885, 262662, 306439, 437770, 525324, 612878, 656655, 875540, 919317, 1225756, 1313310, 1532195, 1838634, 2626620, 3064390, 3677268, 4596585, 6128780, 9193170, 18386340]

約数ペア:

[(1, 18386340), (2, 9193170), (3, 6128780), (4, 4596585), (5, 3677268), (6, 3064390), (7, 2626620), (10, 1838634), (12, 1532195), (14, 1313310), (15, 1225756), (20, 919317), (21, 875540), (28, 656655), (30, 612878), (35, 525324), (42, 437770), (60, 306439), (70, 262662), (84, 218885), (105, 175108), (140, 131331), (210, 87554), (420, 43777)]