18540686

素因数分解:

$2^1\times {\mathrm{29}}^2\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:284

約数の個数: 24

約数和(自身を含む): 29391024

約数和(自身を除く): 10850338

約数列:

[1, 2, 29, 58, 73, 146, 151, 302, 841, 1682, 2117, 4234, 4379, 8758, 11023, 22046, 61393, 122786, 126991, 253982, 319667, 639334, 9270343, 18540686]

約数ペア:

[(1, 18540686), (2, 9270343), (29, 639334), (58, 319667), (73, 253982), (146, 126991), (151, 122786), (302, 61393), (841, 22046), (1682, 11023), (2117, 8758), (4234, 4379)]