18697424

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:339

約数の個数: 40

約数和(自身を含む): 37319040

約数和(自身を除く): 18621616

約数列:

[1, 2, 4, 8, 16, 71, 109, 142, 151, 218, 284, 302, 436, 568, 604, 872, 1136, 1208, 1744, 2416, 7739, 10721, 15478, 16459, 21442, 30956, 32918, 42884, 61912, 65836, 85768, 123824, 131672, 171536, 263344, 1168589, 2337178, 4674356, 9348712, 18697424]

約数ペア:

[(1, 18697424), (2, 9348712), (4, 4674356), (8, 2337178), (16, 1168589), (71, 263344), (109, 171536), (142, 131672), (151, 123824), (218, 85768), (284, 65836), (302, 61912), (436, 42884), (568, 32918), (604, 30956), (872, 21442), (1136, 16459), (1208, 15478), (1744, 10721), (2416, 7739)]