18525285

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 34594560

約数和(自身を除く): 16069275

約数列:

[1, 3, 5, 9, 15, 19, 45, 47, 57, 95, 141, 171, 235, 285, 423, 461, 705, 855, 893, 1383, 2115, 2305, 2679, 4149, 4465, 6915, 8037, 8759, 13395, 20745, 21667, 26277, 40185, 43795, 65001, 78831, 108335, 131385, 195003, 325005, 394155, 411673, 975015, 1235019, 2058365, 3705057, 6175095, 18525285]

約数ペア:

[(1, 18525285), (3, 6175095), (5, 3705057), (9, 2058365), (15, 1235019), (19, 975015), (45, 411673), (47, 394155), (57, 325005), (95, 195003), (141, 131385), (171, 108335), (235, 78831), (285, 65001), (423, 43795), (461, 40185), (705, 26277), (855, 21667), (893, 20745), (1383, 13395), (2115, 8759), (2305, 8037), (2679, 6915), (4149, 4465)]