19377788

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{311}}^1\times {\mathrm{421}}^1$

素因数の和:773

約数の個数: 24

約数和(自身を含む): 35022624

約数和(自身を除く): 15644836

約数列:

[1, 2, 4, 37, 74, 148, 311, 421, 622, 842, 1244, 1684, 11507, 15577, 23014, 31154, 46028, 62308, 130931, 261862, 523724, 4844447, 9688894, 19377788]

約数ペア:

[(1, 19377788), (2, 9688894), (4, 4844447), (37, 523724), (74, 261862), (148, 130931), (311, 62308), (421, 46028), (622, 31154), (842, 23014), (1244, 15577), (1684, 11507)]