19672875

素因数分解:

$3^4\times 5^3\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:123

約数の個数: 80

約数和(自身を含む): 38507040

約数和(自身を除く): 18834165

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 67, 75, 81, 87, 125, 135, 145, 201, 225, 261, 335, 375, 405, 435, 603, 675, 725, 783, 1005, 1125, 1305, 1675, 1809, 1943, 2025, 2175, 2349, 3015, 3375, 3625, 3915, 5025, 5427, 5829, 6525, 8375, 9045, 9715, 10125, 10875, 11745, 15075, 17487, 19575, 25125, 27135, 29145, 32625, 45225, 48575, 52461, 58725, 75375, 87435, 97875, 135675, 145725, 157383, 226125, 242875, 262305, 293625, 437175, 678375, 728625, 786915, 1311525, 2185875, 3934575, 6557625, 19672875]

約数ペア:

[(1, 19672875), (3, 6557625), (5, 3934575), (9, 2185875), (15, 1311525), (25, 786915), (27, 728625), (29, 678375), (45, 437175), (67, 293625), (75, 262305), (81, 242875), (87, 226125), (125, 157383), (135, 145725), (145, 135675), (201, 97875), (225, 87435), (261, 75375), (335, 58725), (375, 52461), (405, 48575), (435, 45225), (603, 32625), (675, 29145), (725, 27135), (783, 25125), (1005, 19575), (1125, 17487), (1305, 15075), (1675, 11745), (1809, 10875), (1943, 10125), (2025, 9715), (2175, 9045), (2349, 8375), (3015, 6525), (3375, 5829), (3625, 5427), (3915, 5025)]