18976412

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1409}}^1$

素因数の和:1470

約数の個数: 48

約数和(自身を含む): 42006720

約数和(自身を除く): 23030308

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 52, 74, 91, 148, 182, 259, 364, 481, 518, 962, 1036, 1409, 1924, 2818, 3367, 5636, 6734, 9863, 13468, 18317, 19726, 36634, 39452, 52133, 73268, 104266, 128219, 208532, 256438, 364931, 512876, 677729, 729862, 1355458, 1459724, 2710916, 4744103, 9488206, 18976412]

約数ペア:

[(1, 18976412), (2, 9488206), (4, 4744103), (7, 2710916), (13, 1459724), (14, 1355458), (26, 729862), (28, 677729), (37, 512876), (52, 364931), (74, 256438), (91, 208532), (148, 128219), (182, 104266), (259, 73268), (364, 52133), (481, 39452), (518, 36634), (962, 19726), (1036, 18317), (1409, 13468), (1924, 9863), (2818, 6734), (3367, 5636)]