19042672

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:697

約数の個数: 40

約数和(自身を含む): 40501872

約数和(自身を除く): 21459200

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 257, 421, 514, 842, 1028, 1684, 2056, 2827, 3368, 4112, 4631, 5654, 6736, 9262, 11308, 18524, 22616, 37048, 45232, 74096, 108197, 216394, 432788, 865576, 1190167, 1731152, 2380334, 4760668, 9521336, 19042672]

約数ペア:

[(1, 19042672), (2, 9521336), (4, 4760668), (8, 2380334), (11, 1731152), (16, 1190167), (22, 865576), (44, 432788), (88, 216394), (176, 108197), (257, 74096), (421, 45232), (514, 37048), (842, 22616), (1028, 18524), (1684, 11308), (2056, 9262), (2827, 6736), (3368, 5654), (4112, 4631)]