19556529

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 28723200

約数和(自身を除く): 9166671

約数列:

[1, 3, 19, 43, 57, 79, 101, 129, 237, 303, 817, 1501, 1919, 2451, 3397, 4343, 4503, 5757, 7979, 10191, 13029, 23937, 64543, 82517, 151601, 193629, 247551, 343097, 454803, 1029291, 6518843, 19556529]

約数ペア:

[(1, 19556529), (3, 6518843), (19, 1029291), (43, 454803), (57, 343097), (79, 247551), (101, 193629), (129, 151601), (237, 82517), (303, 64543), (817, 23937), (1501, 13029), (1919, 10191), (2451, 7979), (3397, 5757), (4343, 4503)]