19776159

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7349}}^1$

素因数の和:7391

約数の個数: 24

約数和(自身を含む): 32104800

約数和(自身を除く): 12328641

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 7349, 22047, 66141, 95537, 169027, 286611, 507081, 859833, 1521243, 2197351, 6592053, 19776159]

約数ペア:

[(1, 19776159), (3, 6592053), (9, 2197351), (13, 1521243), (23, 859833), (39, 507081), (69, 286611), (117, 169027), (207, 95537), (299, 66141), (897, 22047), (2691, 7349)]