19641136

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{64609}}^1$

素因数の和:64636

約数の個数: 20

約数和(自身を含む): 40058200

約数和(自身を除く): 20417064

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 64609, 129218, 258436, 516872, 1033744, 1227571, 2455142, 4910284, 9820568, 19641136]

約数ペア:

[(1, 19641136), (2, 9820568), (4, 4910284), (8, 2455142), (16, 1227571), (19, 1033744), (38, 516872), (76, 258436), (152, 129218), (304, 64609)]