19701984

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{8923}}^1$

素因数の和:8959

約数の個数: 48

約数和(自身を含む): 53972352

約数和(自身を除く): 34270368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 92, 96, 138, 184, 276, 368, 552, 736, 1104, 2208, 8923, 17846, 26769, 35692, 53538, 71384, 107076, 142768, 205229, 214152, 285536, 410458, 428304, 615687, 820916, 856608, 1231374, 1641832, 2462748, 3283664, 4925496, 6567328, 9850992, 19701984]

約数ペア:

[(1, 19701984), (2, 9850992), (3, 6567328), (4, 4925496), (6, 3283664), (8, 2462748), (12, 1641832), (16, 1231374), (23, 856608), (24, 820916), (32, 615687), (46, 428304), (48, 410458), (69, 285536), (92, 214152), (96, 205229), (138, 142768), (184, 107076), (276, 71384), (368, 53538), (552, 35692), (736, 26769), (1104, 17846), (2208, 8923)]