19900998

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{28349}}^1$

素因数の和:28373

約数の個数: 32

約数和(自身を含む): 47628000

約数和(自身を除く): 27727002

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 28349, 56698, 85047, 170094, 255141, 368537, 510282, 737074, 765423, 1105611, 1530846, 2211222, 3316833, 6633666, 9950499, 19900998]

約数ペア:

[(1, 19900998), (2, 9950499), (3, 6633666), (6, 3316833), (9, 2211222), (13, 1530846), (18, 1105611), (26, 765423), (27, 737074), (39, 510282), (54, 368537), (78, 255141), (117, 170094), (234, 85047), (351, 56698), (702, 28349)]