19147984

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:184

約数の個数: 60

約数和(自身を含む): 40770828

約数和(自身を除く): 21622844

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 68, 82, 101, 136, 164, 202, 272, 289, 328, 404, 578, 656, 697, 808, 1156, 1394, 1616, 1717, 2312, 2788, 3434, 4141, 4624, 5576, 6868, 8282, 11152, 11849, 13736, 16564, 23698, 27472, 29189, 33128, 47396, 58378, 66256, 70397, 94792, 116756, 140794, 189584, 233512, 281588, 467024, 563176, 1126352, 1196749, 2393498, 4786996, 9573992, 19147984]

約数ペア:

[(1, 19147984), (2, 9573992), (4, 4786996), (8, 2393498), (16, 1196749), (17, 1126352), (34, 563176), (41, 467024), (68, 281588), (82, 233512), (101, 189584), (136, 140794), (164, 116756), (202, 94792), (272, 70397), (289, 66256), (328, 58378), (404, 47396), (578, 33128), (656, 29189), (697, 27472), (808, 23698), (1156, 16564), (1394, 13736), (1616, 11849), (1717, 11152), (2312, 8282), (2788, 6868), (3434, 5576), (4141, 4624)]