19202907

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 27993600

約数和(自身を除く): 8790693

約数列:

[1, 3, 23, 53, 59, 69, 89, 159, 177, 267, 1219, 1357, 2047, 3127, 3657, 4071, 4717, 5251, 6141, 9381, 14151, 15753, 71921, 108491, 120773, 215763, 278303, 325473, 362319, 834909, 6400969, 19202907]

約数ペア:

[(1, 19202907), (3, 6400969), (23, 834909), (53, 362319), (59, 325473), (69, 278303), (89, 215763), (159, 120773), (177, 108491), (267, 71921), (1219, 15753), (1357, 14151), (2047, 9381), (3127, 6141), (3657, 5251), (4071, 4717)]