19944702986

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{677}}^1\times {\mathrm{2027}}^1$

素因数の和:2775

約数の個数: 48

約数和(自身を含む): 33214113504

約数和(自身を除く): 13269410518

約数列:

[1, 2, 13, 26, 43, 86, 169, 338, 559, 677, 1118, 1354, 2027, 4054, 7267, 8801, 14534, 17602, 26351, 29111, 52702, 58222, 87161, 114413, 174322, 228826, 342563, 378443, 685126, 756886, 1133093, 1372279, 2266186, 2744558, 4919759, 9839518, 14730209, 17839627, 29460418, 35679254, 59007997, 118015994, 231915151, 463830302, 767103961, 1534207922, 9972351493, 19944702986]

約数ペア:

[(1, 19944702986), (2, 9972351493), (13, 1534207922), (26, 767103961), (43, 463830302), (86, 231915151), (169, 118015994), (338, 59007997), (559, 35679254), (677, 29460418), (1118, 17839627), (1354, 14730209), (2027, 9839518), (4054, 4919759), (7267, 2744558), (8801, 2266186), (14534, 1372279), (17602, 1133093), (26351, 756886), (29111, 685126), (52702, 378443), (58222, 342563), (87161, 228826), (114413, 174322)]