31538518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{383}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 54743040

約数和(自身を除く): 23204522

約数列:

[1, 2, 11, 19, 22, 38, 197, 209, 383, 394, 418, 766, 2167, 3743, 4213, 4334, 7277, 7486, 8426, 14554, 41173, 75451, 80047, 82346, 150902, 160094, 829961, 1433569, 1659922, 2867138, 15769259, 31538518]

約数ペア:

[(1, 31538518), (2, 15769259), (11, 2867138), (19, 1659922), (22, 1433569), (38, 829961), (197, 160094), (209, 150902), (383, 82346), (394, 80047), (418, 75451), (766, 41173), (2167, 14554), (3743, 8426), (4213, 7486), (4334, 7277)]