19693773

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:108

約数の個数: 60

約数和(自身を含む): 34604064

約数和(自身を除く): 14910291

約数列:

[1, 3, 9, 11, 23, 27, 31, 33, 69, 81, 93, 99, 207, 253, 279, 297, 341, 621, 713, 759, 837, 891, 961, 1023, 1863, 2139, 2277, 2511, 2883, 3069, 6417, 6831, 7843, 8649, 9207, 10571, 19251, 20493, 22103, 23529, 25947, 27621, 31713, 57753, 66309, 70587, 77841, 95139, 198927, 211761, 243133, 285417, 596781, 635283, 729399, 856251, 1790343, 2188197, 6564591, 19693773]

約数ペア:

[(1, 19693773), (3, 6564591), (9, 2188197), (11, 1790343), (23, 856251), (27, 729399), (31, 635283), (33, 596781), (69, 285417), (81, 243133), (93, 211761), (99, 198927), (207, 95139), (253, 77841), (279, 70587), (297, 66309), (341, 57753), (621, 31713), (713, 27621), (759, 25947), (837, 23529), (891, 22103), (961, 20493), (1023, 19251), (1863, 10571), (2139, 9207), (2277, 8649), (2511, 7843), (2883, 6831), (3069, 6417)]