18985384

素因数分解:

$2^3\times {\mathrm{11}}^3\times {\mathrm{1783}}^1$

素因数の和:1822

約数の個数: 32

約数和(自身を含む): 39176640

約数和(自身を除く): 20191256

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 1331, 1783, 2662, 3566, 5324, 7132, 10648, 14264, 19613, 39226, 78452, 156904, 215743, 431486, 862972, 1725944, 2373173, 4746346, 9492692, 18985384]

約数ペア:

[(1, 18985384), (2, 9492692), (4, 4746346), (8, 2373173), (11, 1725944), (22, 862972), (44, 431486), (88, 215743), (121, 156904), (242, 78452), (484, 39226), (968, 19613), (1331, 14264), (1783, 10648), (2662, 7132), (3566, 5324)]