18981050704

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15406697}}^1$

素因数の和:15406723

約数の個数: 40

約数和(自身を含む): 45850333248

約数和(自身を除く): 26869282544

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 15406697, 30813394, 61626788, 107846879, 123253576, 169473667, 215693758, 246507152, 338947334, 431387516, 677894668, 862775032, 1186315669, 1355789336, 1725550064, 2372631338, 2711578672, 4745262676, 9490525352, 18981050704]

約数ペア:

[(1, 18981050704), (2, 9490525352), (4, 4745262676), (7, 2711578672), (8, 2372631338), (11, 1725550064), (14, 1355789336), (16, 1186315669), (22, 862775032), (28, 677894668), (44, 431387516), (56, 338947334), (77, 246507152), (88, 215693758), (112, 169473667), (154, 123253576), (176, 107846879), (308, 61626788), (616, 30813394), (1232, 15406697)]