19400172

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 51480576

約数和(自身を除く): 32080404

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 93, 121, 124, 132, 186, 242, 341, 363, 372, 431, 484, 682, 726, 862, 1023, 1293, 1364, 1452, 1724, 2046, 2586, 3751, 4092, 4741, 5172, 7502, 9482, 11253, 13361, 14223, 15004, 18964, 22506, 26722, 28446, 40083, 45012, 52151, 53444, 56892, 80166, 104302, 146971, 156453, 160332, 208604, 293942, 312906, 440913, 587884, 625812, 881826, 1616681, 1763652, 3233362, 4850043, 6466724, 9700086, 19400172]

約数ペア:

[(1, 19400172), (2, 9700086), (3, 6466724), (4, 4850043), (6, 3233362), (11, 1763652), (12, 1616681), (22, 881826), (31, 625812), (33, 587884), (44, 440913), (62, 312906), (66, 293942), (93, 208604), (121, 160332), (124, 156453), (132, 146971), (186, 104302), (242, 80166), (341, 56892), (363, 53444), (372, 52151), (431, 45012), (484, 40083), (682, 28446), (726, 26722), (862, 22506), (1023, 18964), (1293, 15004), (1364, 14223), (1452, 13361), (1724, 11253), (2046, 9482), (2586, 7502), (3751, 5172), (4092, 4741)]