19468809

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 30307200

約数和(自身を除く): 10838391

約数列:

[1, 3, 9, 27, 41, 43, 123, 129, 369, 387, 409, 1107, 1161, 1227, 1763, 3681, 5289, 11043, 15867, 16769, 17587, 47601, 50307, 52761, 150921, 158283, 452763, 474849, 721067, 2163201, 6489603, 19468809]

約数ペア:

[(1, 19468809), (3, 6489603), (9, 2163201), (27, 721067), (41, 474849), (43, 452763), (123, 158283), (129, 150921), (369, 52761), (387, 50307), (409, 47601), (1107, 17587), (1161, 16769), (1227, 15867), (1763, 11043), (3681, 5289)]