15723021968

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{105337}}^1$

素因数の和:105855

約数の個数: 40

約数和(自身を含む): 32132303520

約数和(自身を除く): 16409281552

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 491, 982, 1964, 3928, 7856, 9329, 18658, 37316, 74632, 105337, 149264, 210674, 421348, 842696, 1685392, 2001403, 4002806, 8005612, 16011224, 32022448, 51720467, 103440934, 206881868, 413763736, 827527472, 982688873, 1965377746, 3930755492, 7861510984, 15723021968]

約数ペア:

[(1, 15723021968), (2, 7861510984), (4, 3930755492), (8, 1965377746), (16, 982688873), (19, 827527472), (38, 413763736), (76, 206881868), (152, 103440934), (304, 51720467), (491, 32022448), (982, 16011224), (1964, 8005612), (3928, 4002806), (7856, 2001403), (9329, 1685392), (18658, 842696), (37316, 421348), (74632, 210674), (105337, 149264)]