19709300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15161}}^1$

素因数の和:15188

約数の個数: 36

約数和(自身を含む): 46062156

約数和(自身を除く): 26352856

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 15161, 30322, 60644, 75805, 151610, 197093, 303220, 379025, 394186, 758050, 788372, 985465, 1516100, 1970930, 3941860, 4927325, 9854650, 19709300]

約数ペア:

[(1, 19709300), (2, 9854650), (4, 4927325), (5, 3941860), (10, 1970930), (13, 1516100), (20, 985465), (25, 788372), (26, 758050), (50, 394186), (52, 379025), (65, 303220), (100, 197093), (130, 151610), (260, 75805), (325, 60644), (650, 30322), (1300, 15161)]