19173985585

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{77491}}^1$

素因数の和:77625

約数の個数: 32

約数和(自身を含む): 25308267264

約数和(自身を除く): 6134281679

約数列:

[1, 5, 17, 41, 71, 85, 205, 355, 697, 1207, 2911, 3485, 6035, 14555, 49487, 77491, 247435, 387455, 1317347, 3177131, 5501861, 6586735, 15885655, 27509305, 54011227, 93531637, 225576301, 270056135, 467658185, 1127881505, 3834797117, 19173985585]

約数ペア:

[(1, 19173985585), (5, 3834797117), (17, 1127881505), (41, 467658185), (71, 270056135), (85, 225576301), (205, 93531637), (355, 54011227), (697, 27509305), (1207, 15885655), (2911, 6586735), (3485, 5501861), (6035, 3177131), (14555, 1317347), (49487, 387455), (77491, 247435)]