19541007

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:669

約数の個数: 40

約数和(自身を含む): 32304096

約数和(自身を除く): 12763089

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 81, 153, 207, 391, 459, 617, 621, 1173, 1377, 1851, 1863, 3519, 5553, 10489, 10557, 14191, 16659, 31467, 31671, 42573, 49977, 94401, 127719, 241247, 283203, 383157, 723741, 849609, 1149471, 2171223, 6513669, 19541007]

約数ペア:

[(1, 19541007), (3, 6513669), (9, 2171223), (17, 1149471), (23, 849609), (27, 723741), (51, 383157), (69, 283203), (81, 241247), (153, 127719), (207, 94401), (391, 49977), (459, 42573), (617, 31671), (621, 31467), (1173, 16659), (1377, 14191), (1851, 10557), (1863, 10489), (3519, 5553)]