20181284708

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{761}}^1\times {\mathrm{509989}}^1$

素因数の和:510767

約数の個数: 24

約数和(自身を含む): 38084013240

約数和(自身を除く): 17902728532

約数列:

[1, 2, 4, 13, 26, 52, 761, 1522, 3044, 9893, 19786, 39572, 509989, 1019978, 2039956, 6629857, 13259714, 26519428, 388101629, 776203258, 1552406516, 5045321177, 10090642354, 20181284708]

約数ペア:

[(1, 20181284708), (2, 10090642354), (4, 5045321177), (13, 1552406516), (26, 776203258), (52, 388101629), (761, 26519428), (1522, 13259714), (3044, 6629857), (9893, 2039956), (19786, 1019978), (39572, 509989)]