19180744

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1033}}^1$

素因数の和:1261

約数の個数: 32

約数和(自身を含む): 39457440

約数和(自身を除く): 20276696

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 211, 422, 844, 1033, 1688, 2066, 2321, 4132, 4642, 8264, 9284, 11363, 18568, 22726, 45452, 90904, 217963, 435926, 871852, 1743704, 2397593, 4795186, 9590372, 19180744]

約数ペア:

[(1, 19180744), (2, 9590372), (4, 4795186), (8, 2397593), (11, 1743704), (22, 871852), (44, 435926), (88, 217963), (211, 90904), (422, 45452), (844, 22726), (1033, 18568), (1688, 11363), (2066, 9284), (2321, 8264), (4132, 4642)]