19735758

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:606

約数の個数: 64

約数和(自身を含む): 50688000

約数和(自身を除く): 30952242

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 109, 126, 189, 218, 327, 378, 479, 654, 763, 958, 981, 1437, 1526, 1962, 2289, 2874, 2943, 3353, 4311, 4578, 5886, 6706, 6867, 8622, 10059, 12933, 13734, 20118, 20601, 25866, 30177, 41202, 52211, 60354, 90531, 104422, 156633, 181062, 313266, 365477, 469899, 730954, 939798, 1096431, 1409697, 2192862, 2819394, 3289293, 6578586, 9867879, 19735758]

約数ペア:

[(1, 19735758), (2, 9867879), (3, 6578586), (6, 3289293), (7, 2819394), (9, 2192862), (14, 1409697), (18, 1096431), (21, 939798), (27, 730954), (42, 469899), (54, 365477), (63, 313266), (109, 181062), (126, 156633), (189, 104422), (218, 90531), (327, 60354), (378, 52211), (479, 41202), (654, 30177), (763, 25866), (958, 20601), (981, 20118), (1437, 13734), (1526, 12933), (1962, 10059), (2289, 8622), (2874, 6867), (2943, 6706), (3353, 5886), (4311, 4578)]