19264864

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 39817008

約数和(自身を除く): 20552144

約数列:

[1, 2, 4, 8, 16, 32, 37, 53, 74, 106, 148, 212, 296, 307, 424, 592, 614, 848, 1184, 1228, 1696, 1961, 2456, 3922, 4912, 7844, 9824, 11359, 15688, 16271, 22718, 31376, 32542, 45436, 62752, 65084, 90872, 130168, 181744, 260336, 363488, 520672, 602027, 1204054, 2408108, 4816216, 9632432, 19264864]

約数ペア:

[(1, 19264864), (2, 9632432), (4, 4816216), (8, 2408108), (16, 1204054), (32, 602027), (37, 520672), (53, 363488), (74, 260336), (106, 181744), (148, 130168), (212, 90872), (296, 65084), (307, 62752), (424, 45436), (592, 32542), (614, 31376), (848, 22718), (1184, 16271), (1228, 15688), (1696, 11359), (1961, 9824), (2456, 7844), (3922, 4912)]