18421928

素因数分解:

$2^3\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1051}}^1$

素因数の和:1377

約数の個数: 32

約数和(自身を含む): 39639360

約数和(自身を除く): 21217432

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 313, 626, 1051, 1252, 2102, 2191, 2504, 4204, 4382, 7357, 8408, 8764, 14714, 17528, 29428, 58856, 328963, 657926, 1315852, 2302741, 2631704, 4605482, 9210964, 18421928]

約数ペア:

[(1, 18421928), (2, 9210964), (4, 4605482), (7, 2631704), (8, 2302741), (14, 1315852), (28, 657926), (56, 328963), (313, 58856), (626, 29428), (1051, 17528), (1252, 14714), (2102, 8764), (2191, 8408), (2504, 7357), (4204, 4382)]