18620253

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 29548800

約数和(自身を除く): 10928547

約数列:

[1, 3, 9, 17, 27, 51, 113, 153, 339, 359, 459, 1017, 1077, 1921, 3051, 3231, 5763, 6103, 9693, 17289, 18309, 40567, 51867, 54927, 121701, 164781, 365103, 689639, 1095309, 2068917, 6206751, 18620253]

約数ペア:

[(1, 18620253), (3, 6206751), (9, 2068917), (17, 1095309), (27, 689639), (51, 365103), (113, 164781), (153, 121701), (339, 54927), (359, 51867), (459, 40567), (1017, 18309), (1077, 17289), (1921, 9693), (3051, 6103), (3231, 5763)]