19857942

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{751}}^1$

素因数の和:885

約数の個数: 48

約数和(自身を含む): 46807488

約数和(自身を除く): 26949546

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 113, 117, 226, 234, 339, 678, 751, 1017, 1469, 1502, 2034, 2253, 2938, 4407, 4506, 6759, 8814, 9763, 13221, 13518, 19526, 26442, 29289, 58578, 84863, 87867, 169726, 175734, 254589, 509178, 763767, 1103219, 1527534, 2206438, 3309657, 6619314, 9928971, 19857942]

約数ペア:

[(1, 19857942), (2, 9928971), (3, 6619314), (6, 3309657), (9, 2206438), (13, 1527534), (18, 1103219), (26, 763767), (39, 509178), (78, 254589), (113, 175734), (117, 169726), (226, 87867), (234, 84863), (339, 58578), (678, 29289), (751, 26442), (1017, 19526), (1469, 13518), (1502, 13221), (2034, 9763), (2253, 8814), (2938, 6759), (4407, 4506)]