19348538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 32864832

約数和(自身を除く): 13516294

約数列:

[1, 2, 11, 22, 43, 86, 113, 181, 226, 362, 473, 946, 1243, 1991, 2486, 3982, 4859, 7783, 9718, 15566, 20453, 40906, 53449, 85613, 106898, 171226, 224983, 449966, 879479, 1758958, 9674269, 19348538]

約数ペア:

[(1, 19348538), (2, 9674269), (11, 1758958), (22, 879479), (43, 449966), (86, 224983), (113, 171226), (181, 106898), (226, 85613), (362, 53449), (473, 40906), (946, 20453), (1243, 15566), (1991, 9718), (2486, 7783), (3982, 4859)]