19408004

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1033}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 43080576

約数和(自身を除く): 23672572

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 61, 77, 122, 154, 244, 308, 427, 671, 854, 1033, 1342, 1708, 2066, 2684, 4132, 4697, 7231, 9394, 11363, 14462, 18788, 22726, 28924, 45452, 63013, 79541, 126026, 159082, 252052, 318164, 441091, 693143, 882182, 1386286, 1764364, 2772572, 4852001, 9704002, 19408004]

約数ペア:

[(1, 19408004), (2, 9704002), (4, 4852001), (7, 2772572), (11, 1764364), (14, 1386286), (22, 882182), (28, 693143), (44, 441091), (61, 318164), (77, 252052), (122, 159082), (154, 126026), (244, 79541), (308, 63013), (427, 45452), (671, 28924), (854, 22726), (1033, 18788), (1342, 14462), (1708, 11363), (2066, 9394), (2684, 7231), (4132, 4697)]