15721812276

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1681837}}^1$

素因数の和:1681904

約数の個数: 48

約数和(自身を含む): 39556829760

約数和(自身を除く): 23835017484

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 41, 57, 76, 82, 114, 123, 164, 228, 246, 492, 779, 1558, 2337, 3116, 4674, 9348, 1681837, 3363674, 5045511, 6727348, 10091022, 20182044, 31954903, 63909806, 68955317, 95864709, 127819612, 137910634, 191729418, 206865951, 275821268, 383458836, 413731902, 827463804, 1310151023, 2620302046, 3930453069, 5240604092, 7860906138, 15721812276]

約数ペア:

[(1, 15721812276), (2, 7860906138), (3, 5240604092), (4, 3930453069), (6, 2620302046), (12, 1310151023), (19, 827463804), (38, 413731902), (41, 383458836), (57, 275821268), (76, 206865951), (82, 191729418), (114, 137910634), (123, 127819612), (164, 95864709), (228, 68955317), (246, 63909806), (492, 31954903), (779, 20182044), (1558, 10091022), (2337, 6727348), (3116, 5045511), (4674, 3363674), (9348, 1681837)]