18794668

素因数分解:

$2^2\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:250

約数の個数: 36

約数和(自身を含む): 35216272

約数和(自身を除く): 16421604

約数列:

[1, 2, 4, 29, 37, 58, 74, 116, 148, 151, 302, 604, 841, 1073, 1682, 2146, 3364, 4292, 4379, 5587, 8758, 11174, 17516, 22348, 31117, 62234, 124468, 126991, 162023, 253982, 324046, 507964, 648092, 4698667, 9397334, 18794668]

約数ペア:

[(1, 18794668), (2, 9397334), (4, 4698667), (29, 648092), (37, 507964), (58, 324046), (74, 253982), (116, 162023), (148, 126991), (151, 124468), (302, 62234), (604, 31117), (841, 22348), (1073, 17516), (1682, 11174), (2146, 8758), (3364, 5587), (4292, 4379)]