40438574

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1087}}^1$

素因数の和:1208

約数の個数: 32

約数和(自身を含む): 70502400

約数和(自身を除く): 30063826

約数列:

[1, 2, 11, 19, 22, 38, 89, 178, 209, 418, 979, 1087, 1691, 1958, 2174, 3382, 11957, 18601, 20653, 23914, 37202, 41306, 96743, 193486, 227183, 454366, 1064173, 1838117, 2128346, 3676234, 20219287, 40438574]

約数ペア:

[(1, 40438574), (2, 20219287), (11, 3676234), (19, 2128346), (22, 1838117), (38, 1064173), (89, 454366), (178, 227183), (209, 193486), (418, 96743), (979, 41306), (1087, 37202), (1691, 23914), (1958, 20653), (2174, 18601), (3382, 11957)]