19186618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 33359040

約数和(自身を除く): 14172422

約数列:

[1, 2, 11, 19, 22, 38, 197, 209, 233, 394, 418, 466, 2167, 2563, 3743, 4334, 4427, 5126, 7486, 8854, 41173, 45901, 48697, 82346, 91802, 97394, 504911, 872119, 1009822, 1744238, 9593309, 19186618]

約数ペア:

[(1, 19186618), (2, 9593309), (11, 1744238), (19, 1009822), (22, 872119), (38, 504911), (197, 97394), (209, 91802), (233, 82346), (394, 48697), (418, 45901), (466, 41173), (2167, 8854), (2563, 7486), (3743, 5126), (4334, 4427)]