18399524

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1693}}^1$

素因数の和:1740

約数の個数: 48

約数和(自身を含む): 39842880

約数和(自身を除く): 21443356

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 209, 247, 286, 418, 494, 572, 836, 988, 1693, 2717, 3386, 5434, 6772, 10868, 18623, 22009, 32167, 37246, 44018, 64334, 74492, 88036, 128668, 242099, 353837, 418171, 484198, 707674, 836342, 968396, 1415348, 1672684, 4599881, 9199762, 18399524]

約数ペア:

[(1, 18399524), (2, 9199762), (4, 4599881), (11, 1672684), (13, 1415348), (19, 968396), (22, 836342), (26, 707674), (38, 484198), (44, 418171), (52, 353837), (76, 242099), (143, 128668), (209, 88036), (247, 74492), (286, 64334), (418, 44018), (494, 37246), (572, 32167), (836, 22009), (988, 18623), (1693, 10868), (2717, 6772), (3386, 5434)]