19758928895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{246509}}^1$

素因数の和:246595

約数の個数: 32

約数和(自身を含む): 26836064640

約数和(自身を除く): 7077135745

約数列:

[1, 5, 17, 23, 41, 85, 115, 205, 391, 697, 943, 1955, 3485, 4715, 16031, 80155, 246509, 1232545, 4190653, 5669707, 10106869, 20953265, 28348535, 50534345, 96385019, 171816773, 232457987, 481925095, 859083865, 1162289935, 3951785779, 19758928895]

約数ペア:

[(1, 19758928895), (5, 3951785779), (17, 1162289935), (23, 859083865), (41, 481925095), (85, 232457987), (115, 171816773), (205, 96385019), (391, 50534345), (697, 28348535), (943, 20953265), (1955, 10106869), (3485, 5669707), (4715, 4190653), (16031, 1232545), (80155, 246509)]