19911516

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^2\times {\mathrm{1973}}^1$

素因数の和:2038

約数の個数: 36

約数和(自身を含む): 48141912

約数和(自身を除く): 28230396

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 348, 841, 1682, 1973, 2523, 3364, 3946, 5046, 5919, 7892, 10092, 11838, 23676, 57217, 114434, 171651, 228868, 343302, 686604, 1659293, 3318586, 4977879, 6637172, 9955758, 19911516]

約数ペア:

[(1, 19911516), (2, 9955758), (3, 6637172), (4, 4977879), (6, 3318586), (12, 1659293), (29, 686604), (58, 343302), (87, 228868), (116, 171651), (174, 114434), (348, 57217), (841, 23676), (1682, 11838), (1973, 10092), (2523, 7892), (3364, 5919), (3946, 5046)]