19821376

素因数分解:

$2^6\times {\mathrm{317}}^1\times {\mathrm{977}}^1$

素因数の和:1306

約数の個数: 28

約数和(自身を含む): 39497508

約数和(自身を除く): 19676132

約数列:

[1, 2, 4, 8, 16, 32, 64, 317, 634, 977, 1268, 1954, 2536, 3908, 5072, 7816, 10144, 15632, 20288, 31264, 62528, 309709, 619418, 1238836, 2477672, 4955344, 9910688, 19821376]

約数ペア:

[(1, 19821376), (2, 9910688), (4, 4955344), (8, 2477672), (16, 1238836), (32, 619418), (64, 309709), (317, 62528), (634, 31264), (977, 20288), (1268, 15632), (1954, 10144), (2536, 7816), (3908, 5072)]