81512432

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{268133}}^1$

素因数の和:268160

約数の個数: 20

約数和(自身を含む): 166243080

約数和(自身を除く): 84730648

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 268133, 536266, 1072532, 2145064, 4290128, 5094527, 10189054, 20378108, 40756216, 81512432]

約数ペア:

[(1, 81512432), (2, 40756216), (4, 20378108), (8, 10189054), (16, 5094527), (19, 4290128), (38, 2145064), (76, 1072532), (152, 536266), (304, 268133)]