18885810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1949}}^1$

素因数の和:1995

約数の個数: 64

約数和(自身を含む): 50544000

約数和(自身を除く): 31658190

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 30, 34, 38, 51, 57, 85, 95, 102, 114, 170, 190, 255, 285, 323, 510, 570, 646, 969, 1615, 1938, 1949, 3230, 3898, 4845, 5847, 9690, 9745, 11694, 19490, 29235, 33133, 37031, 58470, 66266, 74062, 99399, 111093, 165665, 185155, 198798, 222186, 331330, 370310, 496995, 555465, 629527, 993990, 1110930, 1259054, 1888581, 3147635, 3777162, 6295270, 9442905, 18885810]

約数ペア:

[(1, 18885810), (2, 9442905), (3, 6295270), (5, 3777162), (6, 3147635), (10, 1888581), (15, 1259054), (17, 1110930), (19, 993990), (30, 629527), (34, 555465), (38, 496995), (51, 370310), (57, 331330), (85, 222186), (95, 198798), (102, 185155), (114, 165665), (170, 111093), (190, 99399), (255, 74062), (285, 66266), (323, 58470), (510, 37031), (570, 33133), (646, 29235), (969, 19490), (1615, 11694), (1938, 9745), (1949, 9690), (3230, 5847), (3898, 4845)]