19062975

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 33783552

約数和(自身を除く): 14720577

約数列:

[1, 3, 5, 15, 23, 25, 43, 69, 75, 115, 129, 215, 257, 345, 575, 645, 771, 989, 1075, 1285, 1725, 2967, 3225, 3855, 4945, 5911, 6425, 11051, 14835, 17733, 19275, 24725, 29555, 33153, 55255, 74175, 88665, 147775, 165765, 254173, 276275, 443325, 762519, 828825, 1270865, 3812595, 6354325, 19062975]

約数ペア:

[(1, 19062975), (3, 6354325), (5, 3812595), (15, 1270865), (23, 828825), (25, 762519), (43, 443325), (69, 276275), (75, 254173), (115, 165765), (129, 147775), (215, 88665), (257, 74175), (345, 55255), (575, 33153), (645, 29555), (771, 24725), (989, 19275), (1075, 17733), (1285, 14835), (1725, 11051), (2967, 6425), (3225, 5911), (3855, 4945)]