18049928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{881}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 36673560

約数和(自身を除く): 18623632

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197, 394, 788, 881, 1576, 1762, 2561, 3524, 5122, 7048, 10244, 11453, 20488, 22906, 45812, 91624, 173557, 347114, 694228, 1388456, 2256241, 4512482, 9024964, 18049928]

約数ペア:

[(1, 18049928), (2, 9024964), (4, 4512482), (8, 2256241), (13, 1388456), (26, 694228), (52, 347114), (104, 173557), (197, 91624), (394, 45812), (788, 22906), (881, 20488), (1576, 11453), (1762, 10244), (2561, 7048), (3524, 5122)]