19420020002

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1\times {\mathrm{220667}}^1$

素因数の和:221305

約数の個数: 16

約数和(自身を含む): 29551858560

約数和(自身を除く): 10131838558

約数列:

[1, 2, 79, 158, 557, 1114, 44003, 88006, 220667, 441334, 17432693, 34865386, 122911519, 245823038, 9710010001, 19420020002]

約数ペア:

[(1, 19420020002), (2, 9710010001), (79, 245823038), (158, 122911519), (557, 34865386), (1114, 17432693), (44003, 441334), (88006, 220667)]