19222775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 29581440

約数和(自身を除く): 10358665

約数列:

[1, 5, 11, 13, 19, 25, 55, 65, 95, 143, 209, 247, 275, 283, 325, 475, 715, 1045, 1235, 1415, 2717, 3113, 3575, 3679, 5225, 5377, 6175, 7075, 13585, 15565, 18395, 26885, 40469, 59147, 67925, 69901, 77825, 91975, 134425, 202345, 295735, 349505, 768911, 1011725, 1478675, 1747525, 3844555, 19222775]

約数ペア:

[(1, 19222775), (5, 3844555), (11, 1747525), (13, 1478675), (19, 1011725), (25, 768911), (55, 349505), (65, 295735), (95, 202345), (143, 134425), (209, 91975), (247, 77825), (275, 69901), (283, 67925), (325, 59147), (475, 40469), (715, 26885), (1045, 18395), (1235, 15565), (1415, 13585), (2717, 7075), (3113, 6175), (3575, 5377), (3679, 5225)]