19138923

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 31370976

約数和(自身を除く): 12232053

約数列:

[1, 3, 9, 17, 27, 41, 51, 81, 113, 123, 153, 243, 339, 369, 459, 697, 1017, 1107, 1377, 1921, 2091, 3051, 3321, 4131, 4633, 5763, 6273, 9153, 9963, 13899, 17289, 18819, 27459, 41697, 51867, 56457, 78761, 125091, 155601, 169371, 236283, 375273, 466803, 708849, 1125819, 2126547, 6379641, 19138923]

約数ペア:

[(1, 19138923), (3, 6379641), (9, 2126547), (17, 1125819), (27, 708849), (41, 466803), (51, 375273), (81, 236283), (113, 169371), (123, 155601), (153, 125091), (243, 78761), (339, 56457), (369, 51867), (459, 41697), (697, 27459), (1017, 18819), (1107, 17289), (1377, 13899), (1921, 9963), (2091, 9153), (3051, 6273), (3321, 5763), (4131, 4633)]