19364272

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:421

約数の個数: 40

約数和(自身を含む): 38814480

約数和(自身を除く): 19450208

約数列:

[1, 2, 4, 8, 16, 59, 73, 118, 146, 236, 281, 292, 472, 562, 584, 944, 1124, 1168, 2248, 4307, 4496, 8614, 16579, 17228, 20513, 33158, 34456, 41026, 66316, 68912, 82052, 132632, 164104, 265264, 328208, 1210267, 2420534, 4841068, 9682136, 19364272]

約数ペア:

[(1, 19364272), (2, 9682136), (4, 4841068), (8, 2420534), (16, 1210267), (59, 328208), (73, 265264), (118, 164104), (146, 132632), (236, 82052), (281, 68912), (292, 66316), (472, 41026), (562, 34456), (584, 33158), (944, 20513), (1124, 17228), (1168, 16579), (2248, 8614), (4307, 4496)]