19968679924

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{367}}^1\times {\mathrm{563}}^1\times {\mathrm{653}}^1$

素因数の和:1624

約数の個数: 48

約数和(自身を含む): 36106576128

約数和(自身を除く): 16137896204

約数列:

[1, 2, 4, 37, 74, 148, 367, 563, 653, 734, 1126, 1306, 1468, 2252, 2612, 13579, 20831, 24161, 27158, 41662, 48322, 54316, 83324, 96644, 206621, 239651, 367639, 413242, 479302, 735278, 826484, 958604, 1470556, 7644977, 8867087, 13602643, 15289954, 17734174, 27205286, 30579908, 35468348, 54410572, 134923513, 269847026, 539694052, 4992169981, 9984339962, 19968679924]

約数ペア:

[(1, 19968679924), (2, 9984339962), (4, 4992169981), (37, 539694052), (74, 269847026), (148, 134923513), (367, 54410572), (563, 35468348), (653, 30579908), (734, 27205286), (1126, 17734174), (1306, 15289954), (1468, 13602643), (2252, 8867087), (2612, 7644977), (13579, 1470556), (20831, 958604), (24161, 826484), (27158, 735278), (41662, 479302), (48322, 413242), (54316, 367639), (83324, 239651), (96644, 206621)]