19936592

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 60

約数和(自身を含む): 42819804

約数和(自身を除く): 22883212

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 101, 104, 146, 169, 202, 208, 292, 338, 404, 584, 676, 808, 949, 1168, 1313, 1352, 1616, 1898, 2626, 2704, 3796, 5252, 7373, 7592, 10504, 12337, 14746, 15184, 17069, 21008, 24674, 29492, 34138, 49348, 58984, 68276, 95849, 98696, 117968, 136552, 191698, 197392, 273104, 383396, 766792, 1246037, 1533584, 2492074, 4984148, 9968296, 19936592]

約数ペア:

[(1, 19936592), (2, 9968296), (4, 4984148), (8, 2492074), (13, 1533584), (16, 1246037), (26, 766792), (52, 383396), (73, 273104), (101, 197392), (104, 191698), (146, 136552), (169, 117968), (202, 98696), (208, 95849), (292, 68276), (338, 58984), (404, 49348), (584, 34138), (676, 29492), (808, 24674), (949, 21008), (1168, 17069), (1313, 15184), (1352, 14746), (1616, 12337), (1898, 10504), (2626, 7592), (2704, 7373), (3796, 5252)]