18910192

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1549}}^1$

素因数の和:1673

約数の個数: 40

約数和(自身を含む): 42284000

約数和(自身を除く): 23373808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1526, 1549, 1744, 3052, 3098, 6104, 6196, 10843, 12208, 12392, 21686, 24784, 43372, 86744, 168841, 173488, 337682, 675364, 1181887, 1350728, 2363774, 2701456, 4727548, 9455096, 18910192]

約数ペア:

[(1, 18910192), (2, 9455096), (4, 4727548), (7, 2701456), (8, 2363774), (14, 1350728), (16, 1181887), (28, 675364), (56, 337682), (109, 173488), (112, 168841), (218, 86744), (436, 43372), (763, 24784), (872, 21686), (1526, 12392), (1549, 12208), (1744, 10843), (3052, 6196), (3098, 6104)]