18895590

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:446

約数の個数: 96

約数和(自身を含む): 56946240

約数和(自身を除く): 38050650

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 89, 90, 105, 126, 178, 210, 267, 315, 337, 445, 534, 623, 630, 674, 801, 890, 1011, 1246, 1335, 1602, 1685, 1869, 2022, 2359, 2670, 3033, 3115, 3370, 3738, 4005, 4718, 5055, 5607, 6066, 6230, 7077, 8010, 9345, 10110, 11214, 11795, 14154, 15165, 18690, 21231, 23590, 28035, 29993, 30330, 35385, 42462, 56070, 59986, 70770, 89979, 106155, 149965, 179958, 209951, 212310, 269937, 299930, 419902, 449895, 539874, 629853, 899790, 1049755, 1259706, 1349685, 1889559, 2099510, 2699370, 3149265, 3779118, 6298530, 9447795, 18895590]

約数ペア:

[(1, 18895590), (2, 9447795), (3, 6298530), (5, 3779118), (6, 3149265), (7, 2699370), (9, 2099510), (10, 1889559), (14, 1349685), (15, 1259706), (18, 1049755), (21, 899790), (30, 629853), (35, 539874), (42, 449895), (45, 419902), (63, 299930), (70, 269937), (89, 212310), (90, 209951), (105, 179958), (126, 149965), (178, 106155), (210, 89979), (267, 70770), (315, 59986), (337, 56070), (445, 42462), (534, 35385), (623, 30330), (630, 29993), (674, 28035), (801, 23590), (890, 21231), (1011, 18690), (1246, 15165), (1335, 14154), (1602, 11795), (1685, 11214), (1869, 10110), (2022, 9345), (2359, 8010), (2670, 7077), (3033, 6230), (3115, 6066), (3370, 5607), (3738, 5055), (4005, 4718)]