19998977986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1\times {\mathrm{2251}}^1$

素因数の和:2551

約数の個数: 64

約数和(自身を含む): 34322641920

約数和(自身を除く): 14323663934

約数列:

[1, 2, 13, 23, 26, 46, 83, 166, 179, 299, 358, 598, 1079, 1909, 2158, 2251, 2327, 3818, 4117, 4502, 4654, 8234, 14857, 24817, 29263, 29714, 49634, 51773, 53521, 58526, 103546, 107042, 186833, 193141, 341711, 373666, 386282, 402929, 673049, 683422, 805858, 1346098, 2428829, 4297159, 4442243, 4857658, 5238077, 8594318, 8884486, 9267367, 10476154, 18534734, 33443107, 55863067, 66886214, 111726134, 120475771, 240951542, 434760391, 769191461, 869520782, 1538382922, 9999488993, 19998977986]

約数ペア:

[(1, 19998977986), (2, 9999488993), (13, 1538382922), (23, 869520782), (26, 769191461), (46, 434760391), (83, 240951542), (166, 120475771), (179, 111726134), (299, 66886214), (358, 55863067), (598, 33443107), (1079, 18534734), (1909, 10476154), (2158, 9267367), (2251, 8884486), (2327, 8594318), (3818, 5238077), (4117, 4857658), (4502, 4442243), (4654, 4297159), (8234, 2428829), (14857, 1346098), (24817, 805858), (29263, 683422), (29714, 673049), (49634, 402929), (51773, 386282), (53521, 373666), (58526, 341711), (103546, 193141), (107042, 186833)]