18991248

素因数分解:

$2^4\times 3^1\times {\mathrm{173}}^1\times {\mathrm{2287}}^1$

素因数の和:2471

約数の個数: 40

約数和(自身を含む): 49365888

約数和(自身を除く): 30374640

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 173, 346, 519, 692, 1038, 1384, 2076, 2287, 2768, 4152, 4574, 6861, 8304, 9148, 13722, 18296, 27444, 36592, 54888, 109776, 395651, 791302, 1186953, 1582604, 2373906, 3165208, 4747812, 6330416, 9495624, 18991248]

約数ペア:

[(1, 18991248), (2, 9495624), (3, 6330416), (4, 4747812), (6, 3165208), (8, 2373906), (12, 1582604), (16, 1186953), (24, 791302), (48, 395651), (173, 109776), (346, 54888), (519, 36592), (692, 27444), (1038, 18296), (1384, 13722), (2076, 9148), (2287, 8304), (2768, 6861), (4152, 4574)]