201639388144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{663287461}}^1$

素因数の和:663287488

約数の個数: 20

約数和(自身を含む): 411238226440

約数和(自身を除く): 209598838296

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 663287461, 1326574922, 2653149844, 5306299688, 10612599376, 12602461759, 25204923518, 50409847036, 100819694072, 201639388144]

約数ペア:

[(1, 201639388144), (2, 100819694072), (4, 50409847036), (8, 25204923518), (16, 12602461759), (19, 10612599376), (38, 5306299688), (76, 2653149844), (152, 1326574922), (304, 663287461)]