19113224

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 39571920

約数和(自身を除く): 20458696

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 169, 211, 268, 338, 422, 536, 676, 844, 871, 1352, 1688, 1742, 2743, 3484, 5486, 6968, 10972, 11323, 14137, 21944, 22646, 28274, 35659, 45292, 56548, 71318, 90584, 113096, 142636, 183781, 285272, 367562, 735124, 1470248, 2389153, 4778306, 9556612, 19113224]

約数ペア:

[(1, 19113224), (2, 9556612), (4, 4778306), (8, 2389153), (13, 1470248), (26, 735124), (52, 367562), (67, 285272), (104, 183781), (134, 142636), (169, 113096), (211, 90584), (268, 71318), (338, 56548), (422, 45292), (536, 35659), (676, 28274), (844, 22646), (871, 21944), (1352, 14137), (1688, 11323), (1742, 10972), (2743, 6968), (3484, 5486)]