19999908

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{19157}}^1$

素因数の和:19196

約数の個数: 36

約数和(自身を含む): 52301340

約数和(自身を除く): 32301432

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 19157, 38314, 57471, 76628, 114942, 172413, 229884, 344826, 555553, 689652, 1111106, 1666659, 2222212, 3333318, 4999977, 6666636, 9999954, 19999908]

約数ペア:

[(1, 19999908), (2, 9999954), (3, 6666636), (4, 4999977), (6, 3333318), (9, 2222212), (12, 1666659), (18, 1111106), (29, 689652), (36, 555553), (58, 344826), (87, 229884), (116, 172413), (174, 114942), (261, 76628), (348, 57471), (522, 38314), (1044, 19157)]