19980288

素因数分解:

$2^{13}\times 3^2\times {\mathrm{271}}^1$

素因数の和:303

約数の個数: 84

約数和(自身を含む): 57930288

約数和(自身を除く): 37950000

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 271, 288, 384, 512, 542, 576, 768, 813, 1024, 1084, 1152, 1536, 1626, 2048, 2168, 2304, 2439, 3072, 3252, 4096, 4336, 4608, 4878, 6144, 6504, 8192, 8672, 9216, 9756, 12288, 13008, 17344, 18432, 19512, 24576, 26016, 34688, 36864, 39024, 52032, 69376, 73728, 78048, 104064, 138752, 156096, 208128, 277504, 312192, 416256, 555008, 624384, 832512, 1110016, 1248768, 1665024, 2220032, 2497536, 3330048, 4995072, 6660096, 9990144, 19980288]

約数ペア:

[(1, 19980288), (2, 9990144), (3, 6660096), (4, 4995072), (6, 3330048), (8, 2497536), (9, 2220032), (12, 1665024), (16, 1248768), (18, 1110016), (24, 832512), (32, 624384), (36, 555008), (48, 416256), (64, 312192), (72, 277504), (96, 208128), (128, 156096), (144, 138752), (192, 104064), (256, 78048), (271, 73728), (288, 69376), (384, 52032), (512, 39024), (542, 36864), (576, 34688), (768, 26016), (813, 24576), (1024, 19512), (1084, 18432), (1152, 17344), (1536, 13008), (1626, 12288), (2048, 9756), (2168, 9216), (2304, 8672), (2439, 8192), (3072, 6504), (3252, 6144), (4096, 4878), (4336, 4608)]