18884416

素因数分解:

$2^6\times {\mathrm{17}}^2\times {\mathrm{1021}}^1$

素因数の和:1067

約数の個数: 42

約数和(自身を含む): 39846758

約数和(自身を除く): 20962342

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 289, 544, 578, 1021, 1088, 1156, 2042, 2312, 4084, 4624, 8168, 9248, 16336, 17357, 18496, 32672, 34714, 65344, 69428, 138856, 277712, 295069, 555424, 590138, 1110848, 1180276, 2360552, 4721104, 9442208, 18884416]

約数ペア:

[(1, 18884416), (2, 9442208), (4, 4721104), (8, 2360552), (16, 1180276), (17, 1110848), (32, 590138), (34, 555424), (64, 295069), (68, 277712), (136, 138856), (272, 69428), (289, 65344), (544, 34714), (578, 32672), (1021, 18496), (1088, 17357), (1156, 16336), (2042, 9248), (2312, 8168), (4084, 4624)]