19778298

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{571}}^1$

素因数の和:850

約数の個数: 32

約数和(自身を含む): 41513472

約数和(自身を除く): 21735174

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 251, 502, 571, 753, 1142, 1506, 1713, 3426, 5773, 11546, 13133, 17319, 26266, 34638, 39399, 78798, 143321, 286642, 429963, 859926, 3296383, 6592766, 9889149, 19778298]

約数ペア:

[(1, 19778298), (2, 9889149), (3, 6592766), (6, 3296383), (23, 859926), (46, 429963), (69, 286642), (138, 143321), (251, 78798), (502, 39399), (571, 34638), (753, 26266), (1142, 17319), (1506, 13133), (1713, 11546), (3426, 5773)]