19566910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 39338208

約数和(自身を除く): 19771298

約数列:

[1, 2, 5, 10, 11, 22, 55, 103, 110, 121, 157, 206, 242, 314, 515, 605, 785, 1030, 1133, 1210, 1570, 1727, 2266, 3454, 5665, 8635, 11330, 12463, 16171, 17270, 18997, 24926, 32342, 37994, 62315, 80855, 94985, 124630, 161710, 177881, 189970, 355762, 889405, 1778810, 1956691, 3913382, 9783455, 19566910]

約数ペア:

[(1, 19566910), (2, 9783455), (5, 3913382), (10, 1956691), (11, 1778810), (22, 889405), (55, 355762), (103, 189970), (110, 177881), (121, 161710), (157, 124630), (206, 94985), (242, 80855), (314, 62315), (515, 37994), (605, 32342), (785, 24926), (1030, 18997), (1133, 17270), (1210, 16171), (1570, 12463), (1727, 11330), (2266, 8635), (3454, 5665)]