18901327874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{34949}}^1$

素因数の和:35067

約数の個数: 64

約数和(自身を含む): 34947763200

約数和(自身を除く): 16046435326

約数列:

[1, 2, 11, 13, 22, 26, 31, 61, 62, 122, 143, 286, 341, 403, 671, 682, 793, 806, 1342, 1586, 1891, 3782, 4433, 8723, 8866, 17446, 20801, 24583, 34949, 41602, 49166, 69898, 270413, 384439, 454337, 540826, 768878, 908674, 1083419, 2131889, 2166838, 4263778, 4997707, 9995414, 11917609, 14084447, 23450779, 23835218, 27714557, 28168894, 46901558, 55429114, 66088559, 132177118, 154928917, 304860127, 309857834, 609720254, 726974149, 859151267, 1453948298, 1718302534, 9450663937, 18901327874]

約数ペア:

[(1, 18901327874), (2, 9450663937), (11, 1718302534), (13, 1453948298), (22, 859151267), (26, 726974149), (31, 609720254), (61, 309857834), (62, 304860127), (122, 154928917), (143, 132177118), (286, 66088559), (341, 55429114), (403, 46901558), (671, 28168894), (682, 27714557), (793, 23835218), (806, 23450779), (1342, 14084447), (1586, 11917609), (1891, 9995414), (3782, 4997707), (4433, 4263778), (8723, 2166838), (8866, 2131889), (17446, 1083419), (20801, 908674), (24583, 768878), (34949, 540826), (41602, 454337), (49166, 384439), (69898, 270413)]