19802862

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1543}}^1$

素因数の和:1605

約数の個数: 48

約数和(自身を含む): 46245888

約数和(自身を除く): 26443026

約数列:

[1, 2, 3, 6, 9, 18, 23, 31, 46, 62, 69, 93, 138, 186, 207, 279, 414, 558, 713, 1426, 1543, 2139, 3086, 4278, 4629, 6417, 9258, 12834, 13887, 27774, 35489, 47833, 70978, 95666, 106467, 143499, 212934, 286998, 319401, 430497, 638802, 860994, 1100159, 2200318, 3300477, 6600954, 9901431, 19802862]

約数ペア:

[(1, 19802862), (2, 9901431), (3, 6600954), (6, 3300477), (9, 2200318), (18, 1100159), (23, 860994), (31, 638802), (46, 430497), (62, 319401), (69, 286998), (93, 212934), (138, 143499), (186, 106467), (207, 95666), (279, 70978), (414, 47833), (558, 35489), (713, 27774), (1426, 13887), (1543, 12834), (2139, 9258), (3086, 6417), (4278, 4629)]