19327167

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:265

約数の個数: 40

約数和(自身を含む): 30666240

約数和(自身を除く): 11339073

約数列:

[1, 3, 9, 27, 31, 43, 81, 93, 129, 179, 279, 387, 537, 837, 1161, 1333, 1611, 2511, 3483, 3999, 4833, 5549, 7697, 11997, 14499, 16647, 23091, 35991, 49941, 69273, 107973, 149823, 207819, 238607, 449469, 623457, 715821, 2147463, 6442389, 19327167]

約数ペア:

[(1, 19327167), (3, 6442389), (9, 2147463), (27, 715821), (31, 623457), (43, 449469), (81, 238607), (93, 207819), (129, 149823), (179, 107973), (279, 69273), (387, 49941), (537, 35991), (837, 23091), (1161, 16647), (1333, 14499), (1611, 11997), (2511, 7697), (3483, 5549), (3999, 4833)]