19594330640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12891007}}^1$

素因数の和:12891039

約数の個数: 40

約数和(自身を含む): 47954549760

約数和(自身を除く): 28360219120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12891007, 25782014, 51564028, 64455035, 103128056, 128910070, 206256112, 244929133, 257820140, 489858266, 515640280, 979716532, 1031280560, 1224645665, 1959433064, 2449291330, 3918866128, 4898582660, 9797165320, 19594330640]

約数ペア:

[(1, 19594330640), (2, 9797165320), (4, 4898582660), (5, 3918866128), (8, 2449291330), (10, 1959433064), (16, 1224645665), (19, 1031280560), (20, 979716532), (38, 515640280), (40, 489858266), (76, 257820140), (80, 244929133), (95, 206256112), (152, 128910070), (190, 103128056), (304, 64455035), (380, 51564028), (760, 25782014), (1520, 12891007)]