19628991809

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{797}}^1\times {\mathrm{3089}}^1$

素因数の和:3977

約数の個数: 32

約数和(自身を含む): 24145309440

約数和(自身を除く): 4516317631

約数列:

[1, 7, 17, 67, 119, 469, 797, 1139, 3089, 5579, 7973, 13549, 21623, 52513, 53399, 94843, 206963, 367591, 373793, 907783, 1448741, 2461933, 3518371, 6354481, 17233531, 24628597, 41852861, 164949511, 292970027, 1154646577, 2804141687, 19628991809]

約数ペア:

[(1, 19628991809), (7, 2804141687), (17, 1154646577), (67, 292970027), (119, 164949511), (469, 41852861), (797, 24628597), (1139, 17233531), (3089, 6354481), (5579, 3518371), (7973, 2461933), (13549, 1448741), (21623, 907783), (52513, 373793), (53399, 367591), (94843, 206963)]