19854208

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 44064000

約数和(自身を除く): 24209792

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 59, 64, 88, 118, 128, 176, 236, 239, 352, 472, 478, 649, 704, 944, 956, 1298, 1408, 1888, 1912, 2596, 2629, 3776, 3824, 5192, 5258, 7552, 7648, 10384, 10516, 14101, 15296, 20768, 21032, 28202, 30592, 41536, 42064, 56404, 83072, 84128, 112808, 155111, 168256, 225616, 310222, 336512, 451232, 620444, 902464, 1240888, 1804928, 2481776, 4963552, 9927104, 19854208]

約数ペア:

[(1, 19854208), (2, 9927104), (4, 4963552), (8, 2481776), (11, 1804928), (16, 1240888), (22, 902464), (32, 620444), (44, 451232), (59, 336512), (64, 310222), (88, 225616), (118, 168256), (128, 155111), (176, 112808), (236, 84128), (239, 83072), (352, 56404), (472, 42064), (478, 41536), (649, 30592), (704, 28202), (944, 21032), (956, 20768), (1298, 15296), (1408, 14101), (1888, 10516), (1912, 10384), (2596, 7648), (2629, 7552), (3776, 5258), (3824, 5192)]