19811862

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1621}}^1$

素因数の和:1733

約数の個数: 48

約数和(自身を含む): 49594272

約数和(自身を除く): 29782410

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 97, 126, 194, 291, 582, 679, 873, 1358, 1621, 1746, 2037, 3242, 4074, 4863, 6111, 9726, 11347, 12222, 14589, 22694, 29178, 34041, 68082, 102123, 157237, 204246, 314474, 471711, 943422, 1100659, 1415133, 2201318, 2830266, 3301977, 6603954, 9905931, 19811862]

約数ペア:

[(1, 19811862), (2, 9905931), (3, 6603954), (6, 3301977), (7, 2830266), (9, 2201318), (14, 1415133), (18, 1100659), (21, 943422), (42, 471711), (63, 314474), (97, 204246), (126, 157237), (194, 102123), (291, 68082), (582, 34041), (679, 29178), (873, 22694), (1358, 14589), (1621, 12222), (1746, 11347), (2037, 9726), (3242, 6111), (4074, 4863)]