19889664

素因数分解:

$2^9\times 3^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:607

約数の個数: 80

約数和(自身を含む): 55389312

約数和(自身を除く): 35499648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 256, 276, 368, 384, 512, 552, 563, 736, 768, 1104, 1126, 1472, 1536, 1689, 2208, 2252, 2944, 3378, 4416, 4504, 5888, 6756, 8832, 9008, 11776, 12949, 13512, 17664, 18016, 25898, 27024, 35328, 36032, 38847, 51796, 54048, 72064, 77694, 103592, 108096, 144128, 155388, 207184, 216192, 288256, 310776, 414368, 432384, 621552, 828736, 864768, 1243104, 1657472, 2486208, 3314944, 4972416, 6629888, 9944832, 19889664]

約数ペア:

[(1, 19889664), (2, 9944832), (3, 6629888), (4, 4972416), (6, 3314944), (8, 2486208), (12, 1657472), (16, 1243104), (23, 864768), (24, 828736), (32, 621552), (46, 432384), (48, 414368), (64, 310776), (69, 288256), (92, 216192), (96, 207184), (128, 155388), (138, 144128), (184, 108096), (192, 103592), (256, 77694), (276, 72064), (368, 54048), (384, 51796), (512, 38847), (552, 36032), (563, 35328), (736, 27024), (768, 25898), (1104, 18016), (1126, 17664), (1472, 13512), (1536, 12949), (1689, 11776), (2208, 9008), (2252, 8832), (2944, 6756), (3378, 5888), (4416, 4504)]