19928636

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1033}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 43775424

約数和(自身を除く): 23846788

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 182, 212, 364, 371, 689, 742, 1033, 1378, 1484, 2066, 2756, 4132, 4823, 7231, 9646, 13429, 14462, 19292, 26858, 28924, 53716, 54749, 94003, 109498, 188006, 218996, 376012, 383243, 711737, 766486, 1423474, 1532972, 2846948, 4982159, 9964318, 19928636]

約数ペア:

[(1, 19928636), (2, 9964318), (4, 4982159), (7, 2846948), (13, 1532972), (14, 1423474), (26, 766486), (28, 711737), (52, 383243), (53, 376012), (91, 218996), (106, 188006), (182, 109498), (212, 94003), (364, 54749), (371, 53716), (689, 28924), (742, 26858), (1033, 19292), (1378, 14462), (1484, 13429), (2066, 9646), (2756, 7231), (4132, 4823)]